MEDIUM COARSE SANDING: These circular sanding sheets have a P80 grit for medium coarse sanding and are perforated for dust extraction. VERSATILE: With a hook a loop attachment, they have a 115mm diameter and are ideal for sanding most types of wood and painted surfaces. USE WITH V6005: They are compatible with Amtech’s 180W 2-in-1 detail sander (stock code V6005) plus other brands. Compatible with Amtech V6005 180W detail sander & other brands.