Diablo’s Reusable Hand Sanding Block maximizes sanding performance by enabling professional users to sand both flat and contour surfaces. This premium sanding block includes two sides: cushioned for controlled material removal in contour sanding, and dense for aggressive material removal on flat surfaces. Hook and Lock backing allows repeated attachment and removal of Diablo SandNET reusable sanding sheets. Included with the Reusable Hand Sanding Block are five SandNET sheets, ranging from coarse/removal to ultra-fine finish grits. The reusable NET nylon design is easy to clean and reuse multiple times, simply shake, vacuum or rinse to remove any buildup.