Feature Highlights: 1. Wide Compatibility – Fits a range of Black & Decker trimmer models including GH900, GH600, LST201, NST2018, CST2000, and many more. Also works with Weed Eater trimmers. 2. Durable ABS Material – Made from strong, long-lasting ABS plastic that holds up well during use. 3. Easy, Tool-Free Installation – Uses a simple bayonet design that locks onto the original trimmer structure. Just tighten the spool—no tools needed. 4. Secure Spool Protection – Keeps the trimmer line in place and protects the spool while trimming. 5. Complete Replacement Set – Includes 4 coil covers and 4 springs, ideal for replacing worn or damaged caps. Product Details: This spool holder cover is designed to replace the Black & Decker AF-100 series cap. It securely holds the trimmer spool in position, prevents line tangles, and is built for durability. Installation is quick and hassle-free—simply snap it on and tighten. Perfect for maintaining your trimmer’s performance with a reliable, no-fuss accessory. Specifications: - Material: ABS plastic - Fit: Compatible with Black & Decker models such as GH900, GH600, LST201, NST2018, CST2000, and Weed Eater trimmers - Includes: 4 coil covers + 4 springs - Recommended Line: Use with .065" trimmer line