Fits models:

• FR106, FR108, FS44, FS44J, FS44R, FS48, FS50, FS50E, FS50F, FS51, FS51AVE, FS52, FS52AVE, FS52AVRE, FS55, FS55R, FS56, FS56AVRE, FS60, FS61, FS61AE, FS61E, FS62, FS65, FS65AVE, FS65AVRE, FS66, FS62AVE, FS62AVRE, FS66AVE, FS66AVRE, FS74, FS74AVE, FS74AVRE, FS76, FS76AVE,FS76AVRE, FS80E, FS80RE FS81, FS81AVE, FS81AVRE, FS83, FS83R, FS85RT, FS86, FS88, FS90, FS90AVE, FS91, FS106AVE, FS86, FS86AVE, FS86AVRE, FS96, FS106, FS108, FS120, FS120R, FS350, FS450K, FS550, FS550K

• Replaces: 4002-710-2168, 4002-710-2191, 25-2 AutoCut Trimmer Head
• Machine Type: Backpack Brushcutter, Brushcutter, String Trimmer, Weed Eater,Clearing Saw, Electric Trimmer, Kombi Engine, Kombi Tool, Gear Head.
• For 10mm x 1 LHF bolt size. Bump feed, ideal for consumer Can use .080", .095", or .105" trimmer line.

• [EASY FEED]: Simply tap the head on the ground to extend the line, eliminating the need to stop and manually adjust it. This reduces downtime, allowing you to get more done in less time.
• [DURABILITY AND VERSATILE CUTTING]: The reliable bump feed system, combined with durable round trimmer line, effectively cuts through various types of vegetation. Its smooth, circular design makes it resistant to breakage, especially when cutting against hard surfaces like rocks or concrete.
• [BUILT TO LAST]: The rugged construction combined with high-quality materials ensures durability and longevity. Even when faced with dense vegetation or accidental impacts, the bump head remains intact and continues to perform optimally.
• [HEAD DIMENSIONS]: Bolt Size: M10 x 1.0LH; Pre-loaded with 20-ft of .095-in line; Overall Width: 4-13/16"(123mm); Overall Height: 2-11/16"(68.4mm); Line's Diameter Ranges: .080" to .105" (2.0mm to 2.7mm).