Best Trimmer Head for Grass (2026): 5 Picks Compared
Five string trimmer heads for grass, ranked by line type, line size range, trimmer fit and stated specs, with who each head suits and who should skip it.
On this page
Top picks at a glance
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- 1
Best OverallWeed Warrior PivoTrim9.5/10View on Amazon - 2
Best 3-PackVIABRICO 3-Pack9.4/10View on Amazon - 3
Best Cordless FitWeed Warrior EZ Lock9.4/10View on Amazon - 4
Best OEMEcho Speed Feed 4009.4/10View on Amazon - 5
Best Ryobi FitZAITOE Ryobi Head9.3/10View on Amazon - 6
Rivenox Weed Eater HeadView on Amazon - 7
Husqvarna 130L Gas String TrimmerView on Amazon - 8
EGO Power+ POWERLOAD String Trimmer Head for Telescopic ShaftView on Amazon
The string head is the part that takes the beating, so the best trimmer head for grass is the one that matches your trimmer and the grass you cut. We compared five replacement heads by line type, line sizes, fit and stated specs, using only what each listing publishes. Two are universal fixed-line heads, two are genuine OEM heads, and one is a three-pack for compatible straight shaft trimmers.
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Quick picks
- Best Overall Weed Warrior PivoTrim: Pivoting 6-line head fits most gas and cordless trimmers Check price on Amazon
- Best 3-Pack VIABRICO 3-Pack: Three heads rated to 10,000 RPM for straight shaft trimmers Check price on Amazon
- Best Cordless Fit Weed Warrior EZ Lock: Fits select Craftsman, Hart, Kobalt and Ryobi cordless models Check price on Amazon
- Best OEM Echo Speed Feed 400: Genuine Echo head that fits all SRM trimmers Check price on Amazon
- Best Ryobi Fit ZAITOE Ryobi Head: Genuine replacement part for Ryobi P2009 and RY15523A Check price on Amazon
Our acreage picks
Weed Warrior PivoTrim Universal Fixed Line Trimmer Head
Universal fixed-line head with 6 pivoting lines for gas and cordless string trimmers.
Who it's for: owners of most gas or cordless trimmers who want a pre-cut fixed-line head with no spooling.
Who should skip it: anyone who wants a bump-feed head or a stated warranty term.
Read the full review
The PivoTrim is a universal fixed-line head that fits most gas and cordless string trimmers, cutting with 6 pivoting lines to prevent breakage. It accepts .080 and .095 inch line, and premium pre-cut trimmer line is included. The head is metal, weighs 2.08 ounces and measures 6.5 by 6.5 inches. The listing recommends it for brush cutting, edging and trimming, and warrants the product to be free from defects. One oddity: the spec table lists a cutting width of 0.1 inches, which does not match the 6.5 inch head size.
Pros
- 6 pivoting lines prevent breakage, per the listing
- Accepts .080 and .095 inch line
- Fits most gas and cordless trimmers
- Pre-cut line included, no spooling
Cons
- Warranty states only freedom from defects, with no term
- No bump feed option
- The spec table cutting width of 0.1 inches conflicts with the 6.5 inch head size
- Metal construction adds weight over plastic heads
VIABRICO 3 Pack String Trimmer Head for Echo Speed Feed 400
Three-pack of bump-feed heads for compatible Echo and Shindaiwa straight shaft trimmers.
Who it's for: owners of compatible Echo or Shindaiwa straight shaft trimmers who want three spare heads.
Who should skip it: anyone with a curved shaft trimmer or a different brand.
Read the full review
VIABRICO lists a 3-pack of bump-feed trimmer heads compatible with Echo Speed Feed 400 models, including the SRM-230, SRM-225, SRM-210, SRM-2100 and the PAS series, plus Shindaiwa T195S, T220, T222, T230 and T231 straight shaft models. The heads are rated to 10,000 RPM max, measure 3-3/4 inches across, use an M10 x 1.25 mm bolt and accept most trimmer line sizes, with 6.56 ft of line included. The listing says the heads are strictly for straight shaft trimmers, not curved shaft, and that no adapters are included. The 3-pack weighs 1.6 pounds.
Pros
- Three heads in the pack
- Rated to 10,000 RPM max
- Fits a wide range of trimmer line sizes
- 6.56 ft of trimmer line included
Cons
- Straight shaft only, not fit for curved shaft trimmers
- No adapters included
- No warranty term stated
- Fit list is limited to Echo and Shindaiwa models
Weed Warrior EZ Lock Universal Fit String Trimmer Head
4-line fixed head with pre-cut strips for select cordless trimmers.
Who it's for: owners of the listed cordless trimmers who want a fixed-line head with aggressive cutting.
Who should skip it: owners of gas trimmers not on the fit list, or anyone who wants bump feed.
Read the full review
The EZ Lock is a 4-line fixed trimmer head for trimming thick grass, edging and routine lawn maintenance, using pre-cut line strips so there is no spooling and no need to open the head. It fits line sizes from .080 to .095 inch and installs by removing the old head and threading on the EZ Lock, with a universal fit hardware kit included. The listing names select cordless models from Craftsman, Hart, Kobalt, Makita, Ryobi, DeWalt, Milwaukee, Worx, Echo, Snapper and Core Elite. The head measures 6.5 by 6.5 inches.
Pros
- 4-line fixed head for aggressive cutting
- Pre-cut strips mean no spooling and no opening the head
- Fits select cordless models from many brands
- Universal fit hardware kit included
Cons
- No bump feed option
- Fit list covers cordless models only
- No warranty term stated
- Only .080 to .095 inch line sizes
Echo 99944200907b Genuine Speed Feed 400 Trimmer Head
Genuine Echo Speed Feed 400 head for all SRM trimmers.
Who it's for: Echo SRM owners who want the genuine head.
Who should skip it: owners who want stated line sizes or included line.
Read the full review
Echo lists a genuine Speed Feed 400 head that fits all SRM trimmers, and states that this model does not include any adapters. The listing gives few details: the head measures 5 by 3 by 5 inches and weighs 10.6 ounces. No line size, material or warranty term is stated.
Pros
- Genuine Echo part
- Fits all SRM trimmers
- No adapters to buy
- No compatibility guesswork for SRM owners
Cons
- No adapters included at all
- No line size stated
- No material stated
- No warranty term stated
ZAITOE 313318001 Replacement Trimmer Head for Ryobi
Genuine Ryobi replacement head for the P2009 and RY15523A trimmers.
Who it's for: Ryobi owners of the listed models who want the genuine part.
Who should skip it: anyone with a different trimmer brand or who wants stated specs.
Read the full review
ZAITOE lists a genuine Ryobi replacement trimmer head for the P2009, RY15523A and RY15523AVNM, and advises consulting the owner's manual for part number identification. The listing gives no line size, material or warranty term. The head measures 4 by 4 by 3 inches and weighs 9 ounces.
Pros
- Genuine Ryobi replacement part
- Fits the P2009, RY15523A and RY15523AVNM
- Listing advises checking the manual for part number
- Light at 9 ounces
Cons
- No line size stated
- No material stated
- No warranty term stated
- Fit list covers three Ryobi models only
Other machines to compare
Rivenox Weed Eater HeadCheck price on Amazon
Husqvarna 130L Gas String TrimmerCheck price on Amazon
EGO Power+ POWERLOAD String Trimmer Head for Telescopic ShaftCheck price on Amazon
Side-by-side specs
| Model | Acre Score | Line type | Line sizes | Fit | Weight | Warranty |
|---|---|---|---|---|---|---|
| Weed Warrior PivoTrim | 9.5/10 | Fixed, pre-cut | .080 to .095 in | Most trimmer models | 2.08 oz | Not stated |
| VIABRICO 3-Pack | 9.4/10 | Bump feed | Most line sizes | Echo Speed Feed 400, straight shaft | 1.6 lb | Not stated |
| Weed Warrior EZ Lock | 9.4/10 | Fixed, pre-cut strips | .080 to .095 in | Select cordless models + universal kit | Not stated | Not stated |
| Echo Speed Feed 400 | 9.4/10 | Not stated | Not stated | All Echo SRM trimmers | 10.6 oz | Not stated |
| ZAITOE Ryobi Head | 9.3/10 | Not stated | Not stated | Ryobi P2009, RY15523A, RY15523AVNM | 9 oz | Not stated |
Specifications are manufacturer rated as listed, collected 22 October 2026.
Acreage and terrain fit
Weed Warrior PivoTrim
VIABRICO 3-Pack
Weed Warrior EZ Lock
Echo Speed Feed 400
ZAITOE Ryobi Head
Buying guide: best trimmer head for grass
Fixed line or bump feed
The PivoTrim and the EZ Lock are fixed-line heads that use pre-cut line, so there is no spooling and, in the EZ Lock’s case, no need to open the head. The VIABRICO 3-pack is a bump-feed head with line storage, and the listing says you can replace the line without disassembly. The PivoTrim includes pre-cut line, the VIABRICO includes 6.56 ft of trimmer line, and the EZ Lock uses pre-cut strips. If line choice matters to you, see our string trimmer line for tall grass picks.
Line diameter
The PivoTrim and the EZ Lock both fit .080 to .095 inch line. The VIABRICO 3-pack takes a wider range of line sizes, so it covers heavier line for tougher cutting. The Echo and ZAITOE listings state no line size at all, so you are trusting the OEM fit. Heavier line wears heads faster, so match the diameter to your grass; the trimmer line for brush guide covers the thick stuff.
Universal or OEM fit
The PivoTrim fits most gas and cordless trimmer models, and the EZ Lock ships with a universal fit hardware kit plus a long list of select cordless models from Craftsman, Hart, Kobalt, Makita, Ryobi, DeWalt, Milwaukee, Worx, Echo, Snapper and Core Elite. The Echo Speed Feed 400 is the genuine part for all Echo SRM trimmers, and the ZAITOE is the genuine part for the Ryobi P2009, RY15523A and RY15523AVNM. OEM heads remove the guesswork, but they only fit their own brand. New to trimmers? Our string trimmer for beginners guide starts from the machine.
Straight shaft only
The VIABRICO 3-pack is strictly for straight shaft trimmers and does not fit curved shaft models, and no adapters are included. The Echo Speed Feed 400 also includes no adapters. Check your shaft type before you buy: it is printed on the trimmer or in the owner’s manual.
Wear eye and hearing protection, long pants and sturdy footwear, and keep bystanders well back while the line or blade spins. Clear stones and debris first, and stop the engine or remove the battery before clearing the head. Refuel only with the engine off and cool. See OSHA landscaping safety. Read our Safety Disclaimer.
Matching It to Your Property
- Around trees, fences and beds: the PivoTrim’s 6 pivoting lines and the EZ Lock’s 4-line fixed head are listed for trimming and edging, where the head takes the hits.
- Thick grass and weeds: the EZ Lock lists aggressive cutting for thick grass, and the VIABRICO 3-pack is rated to 10,000 RPM max.
- Storage: the heads measure about 6.5 by 6.5 inches, so they store in a parts bin; keep pre-cut line on hand for the fixed-line heads.
- Curved shaft trimmers: the VIABRICO 3-pack does not fit them, so check the shaft before choosing.
The Acre Score explained
The Acre Score weighs five factors: performance (line type, line size range and fit), build quality (materials and construction), value (content for the format), safety and warranty. For trimmer heads, safety means stated protective features; none of these listings states any, so the safety line scores zero. One listing states a warranty with no concrete term, so all five score zero on warranty.
| Product | Acre Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| Weed Warrior PivoTrim | 9.5 | 30 | 20 | 20 | 0 | 0 |
| VIABRICO 3-Pack | 9.4 | 28 | 20 | 21 | 0 | 0 |
| Weed Warrior EZ Lock | 9.4 | 29 | 20 | 19 | 0 | 0 |
| Echo Speed Feed 400 | 9.4 | 28 | 19 | 18 | 0 | 0 |
| ZAITOE Ryobi Head | 9.3 | 26 | 18 | 18 | 0 | 0 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
FAQ: mowing large lots
What size line does my trimmer head take?
The PivoTrim and the EZ Lock fit .080 to .095 inch line. The VIABRICO 3-pack fits a wider range of line sizes. The Echo and ZAITOE listings state no line size.
Do I need to open the head to replace the line?
Not on these picks. The EZ Lock uses pre-cut strips with no need to open the head, and the VIABRICO listing says you can replace the line without disassembly. The PivoTrim uses pre-cut line too.
Will a universal head fit my trimmer?
The PivoTrim fits most gas and cordless trimmer models. The EZ Lock lists select cordless models and ships with a universal fit hardware kit. Check the listing’s fit list for your model before buying.
Does the Echo Speed Feed 400 include adapters?
No. The listing states that this model does not include any adapters.
How heavy are these heads?
The PivoTrim weighs 2.08 ounces, the ZAITOE 9 ounces, the Echo 10.6 ounces, and the VIABRICO 3-pack weighs 1.6 pounds. The EZ Lock listing states no weight.
