Usage Tips:Outstanding value quality - turn your for Dremel or other rotary tool into versatile high-speed sander Perfect accessory to sand, shape, groove finish soft hard woods, fiberglass more Envisioned utilization's: Perfect accessory for smoothing inside and outside curved edges. Also used for surface preparation and finishing soft hard exteriors like wood, woodworks, fiberglass and to shape or groove fine woodcraft designs. Significant Quality: Precision tight, non-slip fit rubber d s. Designed to expand once the nut on the top of the d is tightened. Our d mandrels were produced with heavy duty rubber and metal for a long lasting endurance. colour: Reddish brown + black Material: Sandpaper + rubber size: 1 / 2,3 / 8 1/4inch Package Contents: 51*Sand circle 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.