Brush Cutter Kit Size5mm L-wrench size: 128mm/5.04in, T-wrench size: 140mm/5.51in, drive plate diameter: 80 mm/3.15inch, Collar Nut Diameter: 25mm/0.98inch, Thrust Washer Diameter: 42mm/1.65inch. What you will get This set of cutting parts contains 1 thrust washer, 1 connection plate, 1 flange nut, 1 5mm L-wrench, 1 T-wrench, it does exactly what it should and is well built. Suitable Replacement This blade attachment kit is designed to attach many types of blades to weeder, edger, brush cutter, grass trimmer and lawn mower. Adapter Retaining Washer Plate Service Kit for Stihl Brushcutter. Good compatibility Stihl grass trimmer installation aid. Compatible with the following models: Stihl FS40C FS55R FS56R FS36 FS80 FS81 FS85 FS90 FS10 FS110 FS120 FS130 FS130R FS200 FS200R FS250 Sarlo SS18.