About this item Package: 180 Grits hook & loop triangular multitool abrasive sandpaper 6 holes, 100 Pcs. Size: 3-1/2 inch (90mm x 90mm x 90 mm). Triangular Sanding Pads: Fit 3-1/2 inch oscillating tool sanding pad, Triangular. Sandpaper Material: High-quality alumina abrasive, durable and achieve the best polishing effect.With 6 holes design, it helps collect sawdust and keep the sanding surface clearer and easier to see. Application: oscillating tool sandpapers kit are best for wood sanding, use 60 / 80 Grit for rough wood, use 120 Grit for general wood, use 180/240 Grit for final finishing of wood, plaster and other surfaces