Features: Brand new and high quality Protect and prolong the lifespan of your power tools with these durable carbon brush cover. Made of sturdy plastic, these brush holder caps are designed to fit multiple diameters and can be easily replaced for most motor. Suitable for automotive enthusiasts and DIYers, these carbon brush covers are a must have accessory for rotary hammer, grinders and more. Whether you're working in your garage or on a construction site, these brush holder caps provide reliable protections and ensure smooth operation of your power tools. Upgraded your power tool accessories with these versatile brush holder caps that offer easy installation, compatibility with various power tools, and long lasting performances. Specifications: Material:Plastic Outer Dia:Approx.13mm/0.51inches Thickness:Approx.5mm/0.19inches Package Includes: 50Pcs Carbon Brush Cover note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.