Mirka 25-625-120 6" 8-Hole 120 Grit Dustless Hook & Loop Sanding Discs - 50 Pack Sanding discs have a special sharp, durable aluminum oxide grain 6 inch 8-hole dustless hook & loop Fits: Bosch 1370DEVS & FEIN MSF636-1 ,and many others Box of 50 Grit - 120