Compatible Models: Compatible with Decker Black Trimmer: GH900, GH600, LSTE525, LST300, Besta510, LCC340C, LST522, ST8600, ST7700, ST6600, NST2118, NST2018, NST1118, NST1118, MST912, MTE912, 5 MTE2, 2, 2 , 2 LSTE2TE222. , LSTE222, MTE912, MTE20225T, LSTE220, LST136W, LST136B, LST136, LCC222, LCC221, LCC140, GH912, GH610, GH500, GH400, CST2000, CST1200, CST10102 Coil cap specifications: 4pcs + Deacker protection. Compatible with AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2 reel models. Material: ABS material, high strength and durable. Installation is simple and there are no complicated processes. Benefits: The bayonet base is based on the original hair clipper construction and holds the spool in place without tools, clamping the spool while cutting and keeping it secure. Purpose: It protects the line and holds the spool in place.