High Performance Mini Flap Wheels with Mounted Steel Shanks, 1 x 5/8 in, 40 Grit

Premium ceramic and aluminum oxide abrasive grain for aggressive cutting and longer life. Arbor hole design for use on larger portable and fixed-base tools where the wheel must fit an existing arbor. Flap wheel design and flexibility of the material leaves a finer finish grit than other coated abrasive products. Heavy cotton backing designed for superior wear resistance.