H9 tools, Fasteners and other hardware are for domestic and commercial purposes. H9 provides an array of quality hardware equipment and tools that are needed to virtually fix, repair and maintain everyday household materials and equipment. Design of the Disc The diameter of each sandpaper disc is 05 inches. It is designed with quality abrasives, backing material and bonding agent. Hence, it can be used for intermediate finishing and final finishing applications. They have Hook & Loop backs to allow easy installation on sanding and brushing machines. The Hook & Loop holds these discs firmly in place during operation so that they do not slip or peel off from the machine�s rotating head. USAGE - Apply to grinding and polishing metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. STRONG ADSORPTION - strong adsorption of flocking on the back, easy installation and removal, not easy to fall off at high speed. Products for domestic and commercial purposes. We provide equipment and tools that are needed to virtually fix, repair and maintain everyday household materials and equipment.