8-HOLE - Premium anti-clogging aluminum oxide abrasive material, long-lasting sanding function. Pre-punched with 8 holes for efficient dust extraction. WIDE APPLICATION - 5 inch orbital sandpaper widely used in wood grinding, wall sanding, automotive metal polishing, furniture finishing. Almost any polishing job can be completed with them, simply by choosing the right sandpaper grit for your project. UNIVERSAL COMPATIBILITY - 40 grit sanding discs fit the matching 8-hole hook and loop sanding pad. Please note: there is some color difference or kind difference, please don't worry, ! Specifications: 40 mesh Size: about 121 mm Material: Alumina Color: Red-brown Package Contents: 110 x Sandpaper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.