Our universal fit OPEN-LOK™ 3-1/2 in triangle sandpaper 25-piece variety pack is designed for oscillating multi-tools. The Milwaukee® 3-1/2 in triangle sandpaper utilizes hook and loop technology for fast and secure paper changes. The universal hole placement allows for use with dust extraction systems. This kit includes 60 grit, 80 grit, 120 grit, 180 grit and 240 grit silicon carbide sandpaper ideal for paint removal and wood sanding, helping you gain access in hard to reach areas.