High Performance Mini Flap Wheels with 1/4"-20 Thread,1" x 1" 40 Grit,30,000 RPM

Features: Premium ceramic and aluminum oxide abrasive grain for aggressive cutting and longer life | Heavy cotton backing designed for superior wear resistance | Designed with a 1/4-20 in steel shank as an integral part of each wheel for better balance and quick change without the need of special tools | Flap wheel design and flexibility of the material leaves a finer finish grit than other coated abrasive products