Mirka 9A-129-180   3 x 4-Inch 180 Grit Mesh Abrasive Dust Free Sanding Sheets,  Box of 50 Sheets 180 grit abrasive grain for fast material removal and a great finish 3 x 4 inch sheet for detail work and finish sanding Screen-like composition allows dust to migrate right through the abrasive to prevent clogging Hook & loop design allows easy attachment and removal from sanders 50 sheets per box