Usage Tips:1. Practical Grit - including 8 kinds of different grits, from coarse to fine: 40# 60# 80# 120# 180# 240# 320# 400#, 5 sheets for each grit, totally 40 sheets that can satisfy almost all of your general polishing requirements. 2. Backing Technology - hook and loop backing sanding sheets, easy and quick to stick on the sander. 3. Size: 93 * 185 mm, pre-punched with 8 holes for dust extraction, suitable for rectangular sander, please check that the sander bottom plate matches the size of the sanding pads. 4. Material - sanding sheets are made from aluminium oxide abrasive, durable and anti-static, the larger of the grit, the finer of the polish effect. 5. Wide Application - perfect for rust removal, polishing metal, wood, plastic, leather, rubber, glass and so on. Pre-punched with 8 Holes Back technology: hook and loop Colour:Red-brown Material:sandpaper Size:about 95 x 185 mm Package Contents: 40 x Sandpaper Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.