What you get: This Stihl trimmer parts set includes 1 thrust disc, 1 jumper plate, 1 collar nut, 1 screwdriver. Suitable replacement: There is no of original part, but an alternative parts and guarantee longevity and performance and save money. thrust washer: 4130-713-1600; Conductor plate: 4126-713-3100; Collar nuts: 4126-642-7600. Perfect match to the original. Easy installation, stable functionality, high reliability. Good compatibility: A must when you buy the Renegade blade. Helps to climb on the Hus weeding shears. Fits the following models: Stihl FS 40C, FS55R, FS 56R, FS36, Sarlo SS-18, FS81, FS 80, FS 81, FS 85, FS90, FS 100, FS 110, FS120, FS200, FS250 < p> HitTopss Garden Tool Lawn Mower Set Size: Screwdriver Size: 128mm, Jumper Plate Diameter: 80mm, Collar Nut Diameter: 25mm, Thrust Washer Diameter: 42mm. Easy to install: simply replace the string spool on the trimmer with the Stihl blade adapter kit. The blade is snug and there was very little vibration. Also, through