Technical data: Binder: synthetic resin Grain: fused corundum Coating: semi-open Backing: E-paper Grit: 100 Shape: triangle diameter 96 mm 6 dust extraction holes diameter 8 mm on the circumference diameter 52 mm High efficiency - versatile use. Sandpaper with a semi-open coating, high sanding efficiency, gives an even image of the sanded surface of wood and metal. Areas of application: - paints - varnishes - putty - plastics ** The presented photo is for illustrative purposes only.