【240-Grits & 4" Outer Dia x 5/8" Inner Dia】 Fine 240 grit grinding flap wheel.||【 High-Efficiency Grinding】 With advanced grinding technology, the flap wheel has good elasticity and high grinding efficiency||【Firm& Durable】Made of hard zirconia alumina material which lasts longer than aluminum oxide abrasive material, for a more robust and economical grinding wheel||【Widely Application】 Designed for stock removal, grinding, blending, beveling, deburring, removal of rust and paint, finishing, and other similar applications on metals, non-ferrous materials, fiberglass, plastics, woods, and many other surfaces||【Pay Attention To】 Note: Please remember to wear protective glasses when using this product