metal blade attachment for Lawn Mower, a nice replacement kit for your old or damaged one Fit for FS 87, FR130T, FR220, FR350, FR450, FR480, FR85, FR85T, FS100, FS110, FS110, FS110RX, FS120, FS120R, FS130, FS130R, FS200, FS200R, FS250, FS250-4, FS2504, FS2504 FS44, FS44R, FS55, FS55R, FS56, FS56R, FS65, FS74, FS76, FS80, FS80R, FS83, FS83R, FS83T, FS85, FS85R, FS85RX, FS85T, FS87R, FS90, FS90R, FS90RZ, FS90Z, FS100R, FS120R, FS200, Combi Fixing system Brush cutter attachment blade, made of high quality material for long time using For STIHL brush cutter, the supplied nut size M12 x 1.5LH and M10 x 1.0LH STIHL blade attachment kit, new replacement blade attachment kit supplied with 2 sizes of nuts