50pcs Angle Grinder Wool Felt Flap Polishing Discs for Metal Glass Polishing

- Size: 4", 4.5", 5" for choice, 7/8" inner diameter - Premium Material: Wool felt, no damage to galss and metal when polishing - Maximum Speed: 6100 rpm/min - Maximum Line Speed: 40 m/s - Used on: Grinder, for glass, metal, non-metallic polishing, with polishing coupound