Perfect for polishing of artificial stone, furniture and wood products, metal, automobile. Suitable for smoothing inside and outside curved edges, surface preparation and fit for most electric grinder. For polishing all kinds of metals, iron, aluminum, woods, ceramics, finishing hard exteriors like wood, woodworks and to shape fine woodcraft . Outstanding value and quality turn your rotary tool into versatile high-speed sander. Applying: Electric Polishing Sanding Paper Diameter: 25mm / 1 inch Loop Sanding Pad: 25mm / 1 inch Thread Size: M6*1 Diameter: 1/8 inch / 3mm Length of Connecting Rod: 45mm / 1.77in Max. Operation Speed: 12000RPM Total Height: 60mm / 2.36in Grits of Sandpaper: 100#, 180#, 240#, 1500#, 3000# (Total 5 size, each size 20pcs) Item Weight: . 40g / 1.40oz colour:Red + yellow Material:Alumina + metal Package Contents: 100 * Sanding Paper 1 * 1/8 handle Grinding disc Only the above package content, other products are not included. Note: Light 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.