The advanced integrated injection molding process ensures that there will be no degumming problems between the components of the backing pad Quick fitting grinder backing for easy installation and removal The surface of the sucker is closely arranged, evenly distributed, strong in adhesion and durable The high toughness cushion and the special-shaped processing surface fit more comprehensively and have good air permeability With threaded hole design with drill adapter, used on polisher, finisher sander, electric drill and angle grinder. Hook and Loop backing can be replaced quickly and easily, has strong bonding ability