【Brush Cutter Kit Size】5mm L-wrench size: 128mm/5.04in, T-wrench size: 140mm/5.51in, plate diameter Driver Diameter: 80mm/3.15inch, Collar Nut Diameter: 25mm/0.98inch, Thrust Washer Diameter: 42mm/1.65inch. 【 What You’ll Get】This cutter set contains 1x thrust washer, 1x jumper plate, 1x collar nut, 1x 5mm L-wrench, 1x T-wrench, it does exactly what it should and is well constructed. 【Suitable Replacement】This blade attachment kit is designed to attach many types of blades to the weeder, edger, brush cutter, grass trimmer and lawn mower. 【Easy to Install】Replacement Brush Cutter Adapter Maintenance Kit. Adapter Mount Washer Plate Service Kit for Stihl Brush Cutter. 【Good Compatibility】Helps install Stihl trimmer. Fits the following models: Stihl FS40C FS55R FS56R FS36 FS80 FS81 FS85 FS90 FS10 FS110 FS120 FS130 FS130R FS200 FS200R FS250 Sarlo SS-18.