Compatible Models: Compatible with Black Decker String Trimmer: GH900, GH600, LSTE525, LST300, BESTA510, LCC340C, LST522, ST8600, ST7700, ST6600, NST2118, NST2018, NST1118, NST1118, MST912, MTE912, MTE225,T LST220, LST201, LST140C, LST136W, LST136B, LST136, LCC222, LCC221, LCC140, GH912, GH610, GH500, GH400, CST2000, CST1200, CST1000, CST1000, BESTE620, BESTE512. Coil Cap Specifications : 4 pieces compatible with Black + Deacker protective caps, cap model: RC-100-P, part number: 385022-03. Compatible with AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2 coil models. Material: ABS material, strength and durability. Easy to install, no complicated processes. Advantage: bayonet design base rests on the original trimmer structure, holds the spool in place, no tools required, just tighten the spool and keep it safe while trimming. Usage: It protects the line and keeps the spool in place. Product Suitable for following BLACK DECKER series: 74526 14-String Edger, 78354 Type 1 9 Cordless Edger/Edger, 78354 Type 3 9 Cordless Edger/Edger, 78354 Type 4 9 Cordless Edger/Edger CST1000 Type 5 Cordless Edger, CST1100 9" Type 1 Cordless Edger, 9" Type 1 Cordless Edger 2 CST1100, CST1200 12 Volt 12" Cordless String Trimmer/Edger, CST2000 Type 1 12" Cordless String Trimmer, GH400 Type 1 12 String String Trimmer, GH400 Type 2 12 String Trimmer, GH400 Type 3 12 String Trimmer, GH400 Type 5 12 String Trimmer, GH500 Type 1 12 String Trimmer, GH500 Type 2 12 String Trimmer, GH500 Type 3 12 String Trimmer, GH500 Type 5 12 String Trimmer, GH500 Type 6 12 String Trimmer, GH600 Type 1 14" Auto Feed Trimmer/Edger, GH600 Type 2 14" Auto Feed Trimmer/Edger, GH600 Type 3 Auto Feed Trimmer/Edger 14", GH600 Type 4 14" Auto Feed Edger/Edger, GH600 Type 5 14 14 Hog Grass, GH610 String Trimmer, GH900 (Type 1) 6.5 Amp String Trimmer, LST136 String Trimmer 36V, LST220 Type 1 20V String Trimmer, LST220FC-AR Type 1 20V String Trimmer, LST220FC-B2C Type 1 20V String Trimmer, LST220FC-B3 Type 1 20V String Trimmer, LST220FC-BR Type 1 20V String Trimmer, LST300 Type 1 Cordless 20V Lith String Trimmer, LST400 (Type 1) 12" 20v MAX Lithium High Performance Trimmer and String Trimmer, LST420 20V Lithium Type 1 Cordless String Trimmer, Features: Spool Holder Cover USE ONLY.065LINE. Replacement for BLACK DECKER AF-100. Package Included: 4 x coil cover 4 x spring