Mirka Coarse Cut 70 x 420mm Grip Strips with 14-hole perforation are aggressive abrasives designed for coarse sanding and rapid material removal. The specially reinforced backing provides flexibility on curved surfaces, while Mirka's Progressive Bond™ technology helps reduce clogging and maintain consistent sanding performance. Suitable for wood, metal, putty, glass fibre, synthetic materials, paint, stainless steel and other engineering materials. The strips feature a Grip backing for secure attachment to compatible sanding blocks and machines. Available in P40, P60, P80 and P120 grits, supplied in packs of 50.