The Bump & Feed Four string trimmer head has innovated the week points of existing 2-string heads with an annual market size of 3 trillion＄, such as “weak cutting power”, “difficult to change strings,” and “many problems during work,” while optimizing function and making the product lighter. and it is an innovative product with high-capacity built-in and compatibility for entering the global market. In addition, it is the only product in the world with a built-in 2.3m nylon string Φ4mm.

 In not only domestically but also around the world,  Fast feed 2 String trimmer head are evaluated as having 「low cutting power」, but This four-string trimmer head is best functionally with excellent compatibility with machines and strings around the world,              excellent work efficiency, convenience of use, and safety.

 This is recognized as a 『Commersal-grade』 in the US market due to its 「strong cutting powers」, 「excellent convenience」, 「innovative durability」, 「outstanding compatibility」 and 「advantage of a built-in Φ4mm string」 and is also used by overnment and professional gardeners. This was awarded as the 『2023 Innovative Garden Tool』 in the field of out-door power equipment by the U.S. Pro Tool Review organization.

 The world's first Fast Feed Four-string trimmer head has been registered in an patent, 7 designs and 3 trademarks in domestic, and also registered patents in the US, Japan, China and Australia and US, European designs and US trademarks.

1. product infomation

  -  The Bump & Feed Four string trimmer head has innovated the week points of existing 2-string heads with an annual market size of 3 trillion＄, such as “weak cutting power”, “difficult to change strings,” and “many problems during work,” while optimizing function and making the product lighter. and it is an innovative product with high-capacity built-in and compatibility for entering the global market. In addition, it is the only product in the world with a built-in 2.3m nylon string Φ4mm.

2. Excellency

 1) Innovative cutting ability

  - 「Four-Wings」 has 4 strings therefore is doubled the number of cuts per rotation. And has triangle eyelets therefore line up a line when rotating, so is powerful

 2) Fast Feed (Bump & Feed)

  - 「Four-Wings」 is the world's first Fast-feed 4 string trimmer head. When is worn, the strings are pulled out by hitting the floor, making to work continuously

 3) Winded 2.5m long with 4.5mm string

  - 「Four-Wings」 is only head in world which wind up 2.5m long with 4.5mm string. Therefore, strings does not get caught in tree branches etc. and has powerful cut.

 4) Easy change strings

  - 「Four-Wings」 has ‘+’ penetrating structure. so insert strings in ‘+’ shape through the eyelet and turning the button to wind.

 5) High Capacity (contain long string)

  - 「Four-Wings」 can wind up from 2.4mm string to 3.0mm when withdraw 4 strings and can wind up to 4.5mm sting when 2 strings.

 6) Commercial Grade (Innovative durability)

  - The button was manufactured by engineering plastic with a thickness of 7mm and the eyelets was made of zinc alloy material. so is very durable. The Rubber to prevent removal is added to prevent decomposition during work.

3. Competitiveness

  - In not only domestically but also around the world,  Fast feed 2 String trimmer head are evaluated as having 「low cutting power」, but This four-string trimmer head is best functionally with excellent compatibility with machines and strings around the world, excellent work efficiency, convenience of use, and safety.

  - This is recognized as a 『Commersal-grade』 in the US market due to its 「strong cutting powers」, 「excellent convenience」, 「innovative durability」, 「outstanding compatibility」 and 「advantage of a built-in Φ4mm string」 and is also used by overnment and professional gardeners. This was awarded as the 『2023 Innovative Garden Tool』 in the field of out-door power equipment by the U.S. Pro Tool Review organization.

  - The world's first Fast Feed Four-string trimmer head has been registered in an patent, 7 designs and 3 trademarks in domestic, and also registered patents in the US, Japan, China and Australia and US, European designs and US trademarks.

• Product name : 4 string trimmer head - Fourwings

• Brand name : Dogreen

• Type : string trimmer head / Bump & Feed Type

• Material : PA6, ZnDC, POK, etc

• Color : Red

• Size/Dimension : Φ120mm x 67mm

• Weight : 300g

• Application : garden

• Feature : 4 string trimmer head / Bump & Feed / convenient to wind the string.

• Certification : Patent