105 trimmer line
Worth a lookShows demand growing +253.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+253.6%90-day search growth — must beat 0% to launch
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Incredible$36.20avg listing price — sweet spot $15–$100
Price range
Incredible$15.67–$61.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good7.0%search→purchase rate — share of searches ending in a sale
Review moat
Good814.08avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$186K$186K/yr · 74K searches
Competition
Bad73%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 105 trimmer line is a $186K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 59/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
105 trimmer line market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- $181K–$217K
- units × avg price
- Conversion rate
- 7.0%
- Avg BSR
- #113
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 85%
- Out of stock
- 6.3%
- Avg brand age
- 76 months
- Avg seller age
- 140 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
34
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
2%
- A ANLEOLIFE42%
- COSY GARDEN TOOLS30%
- KAKO17%
- efrozen6%
- VIABRICO3%
- ECHO2%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +253.6% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 15.4×
Top 105 trimmer line search terms
- 105 trimmer line26K/yr
- trimmer line .10514K/yr
- 105 trimmer line heavy duty12K/yr
- weed eater string .1058K/yr
- 105 weed eater string4K/yr
- string trimmer line .1053K/yr
- .105 trimmer line3K/yr
- weedeater string .105 heavy duty3K/yr
- trimmer string .1052K/yr
Top 105 trimmer line products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
COSY GARDEN TOOLS .105 String Trimmer Line Commercial Grade Orange Pentagon Weed Eater String Premium Nylon Universal 0.105 Diameter x 328
COSY GARDEN TOOLS$15.674.5★1,238 rev

A ANLEOLIFE 3-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-846-ft Twisted Trimmer Line Spool 3-Component Tri-Extrusion 2.65-mm-by-258-meter Weed Eater String
A ANLEOLIFE$45.414.3★335 rev

KAKO 105 Trimmer Line Weed Eater String .105 Weed Wacker String .105 Square String Trimmer Line .105 Inch-628 Ft-3 Lb Commercial Nylon Trimmer String.105 Fits Most String Trimmers(Square)
KAKO$26.614.6★726 rev

Anleolife .105 Commercial Square Heavy Duty Trimmer Line 1038 ft 5 lb
A ANLEOLIFE$35.684.7★400 rev

Anleolife .105 Heavy Duty Dual-Core Trimmer Line Tough Weeds 1038ft 5 lb
A ANLEOLIFE$39.944.6★477 rev
Newest
by launch date
VIABRICO .105 Weed Eater String Square Orange Heavy Duty String Trimmer Line Weed Wacker String Universal Commercial Grade Premium Nylon Weedeater Line 0.105 x 5LB 1069Foot
VIABRICO$32.545,003 rev

A ANLEOLIFE 3-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-846-ft Twisted Trimmer Line Spool 3-Component Tri-Extrusion 2.65-mm-by-258-meter Weed Eater String
A ANLEOLIFE$45.41335 rev

A ANLEOLIFE 5-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-1410-ft Twisted Trimmer Line Spool 3-Component Tri-Extrusion 2.65-mm-by-430-meter Weed Eater String
A ANLEOLIFE$50.05335 rev

A ANLEOLIFE 1-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-282-ft Twisted Trimmer Line Donut 3-Component Tri-Extrusion 2.65-mm-by-86-meter Weed Eater String
A ANLEOLIFE$21.21335 rev

Efrozen Weed Eater String Commercial Square Twist .105 Diameter x 302 String Trimmer Line in Spool Premium Nylon Universal Replacement Weed Wacker String Orange
efrozen$19.76606 rev
Trending
90-day click momentum
VIABRICO .105 Weed Eater String Square Orange Heavy Duty String Trimmer Line Weed Wacker String Universal Commercial Grade Premium Nylon Weedeater Line 0.105 x 5LB 1069Foot
VIABRICO$32.544.5★

KAKO 105 Trimmer Line Weed Eater String .105 Weed Wacker String .105 Square String Trimmer Line .105 Inch-1038 Ft-5 Lb Commercial Nylon Trimmer String.105 Fits Most String Trimmers(Square)
KAKO$35.924.6★

Anleolife .105 Commercial Square Heavy Duty Trimmer Line 1038 ft 5 lb
A ANLEOLIFE$35.684.7★

A ANLEOLIFE 3-Pound ZT3 Pro Heavy Duty Diamond .105-Inch-by-846-ft Twisted Trimmer Line Spool 3-Component Tri-Extrusion 2.65-mm-by-258-meter Weed Eater String
A ANLEOLIFE$45.414.3★

Traverse Creek Incorporated Genuine Echo Black Diamond LINE .105 3LB Spool 708FT 330105073
Traverse Creek Incorporated$61.054.7★
What buyers say about 105 trimmer line
What buyers praise and complain about, mined from review topics.What buyers love
“Durable and sharp”
“Very strong”
“It cuts well”
“Appears to be good quality”
“this arrived as expected”
“Great product for the price”
“Decent design good for light grass”
“also good thickness”
“After a full summer of human heat it well over 100°”
“easy to use”
What buyers complain about
“Breaks easy doesn't last”
“Although it is a little on the thick side”
“It is fragile and had to change it out about every 10' I would return it but, already opened it and used some”
“Worst line for trimmers”
“sticky like the other stuff did”
“Straight garbage”
“I cannot believe how tough it is”
“just buy the more expensive”
“Not true”
“And the diameter is not correct”
Top return reasons
Common questions
- Is 105 trimmer line profitable to sell on Amazon United States?
- The niche generates $186K/yr across 13 tracked products. 90-day search growth is +253.6%. Flapen's verdict: Worth a look (59/100).
- How competitive is the 105 trimmer line niche?
- 7 brands and 34 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in 105 trimmer line?
- Top complaints mined from reviews: Durability, Thickness, Strength. The return rate is 0.8%.
- When does demand for 105 trimmer line peak?
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 15.4× the quietest.
- What does it cost to enter the 105 trimmer line niche?
- Listings span $15.67–$61.05; the average listing price is $36.20 (sweet spot $15–$100). The average incumbent carries 814 reviews — the moat a new listing must climb.