Compatibility: Perfectly fits for Black & STC5433 Type 1 models, ensuring a snug and secure fit for optimal performance. Material: Made from high-quality HDL plastic, these gray spool cap covers are built to withstand regular use and resist wear and tear. Easy Installation: Designed for quick and hassle-free replacement, no tools required. Simply snap the cap on and you're ready to continue your yard work. Essential Trimmer Accessory: Enhance the functionality of your edge cutter with these essential accessories, which help maintain the trimmer's performance and extend its lifespan. Color: Grey Material: plastic Package Contents: 2 x Spool Cap Covers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.