Our Universal Fit OPEN-LOK™ 3-1/2" Triangle Sanding Pad & Paper 10 Piece Variety Pack is for Oscillating Multi-Tools. The MILWAUKEE® 3-1/2" Triangle Sanding Pad & Paper Variety Set utilizes hook and loop technology for fast and secure paper changes. The sanding pad uses a dense foam backer for flexibility and durability, delivering you a longer pad life and a smooth sanding experience. This kit includes 60-grit, 120-grit, and 240-grit silicon carbide sandpaper, ideal for paint removal and wood sanding.