OTC (7302 Brake Caliper Pin/Bolt Remover Set Allows for removal of inboard facing pins or bolts to be removed from the outboard side of the brake caliper or vehicle component For caliper pin removal simply back the pin bolt out half way and place the tool over the bolt shank to strike against the bolt head Fits all sizes of pins or bolt shanks ranging from 1/4 inch (6 millimeters) to 5/8 inch (16 millimeters) Set includes 2 versions a striking version or air hammer adapter Designed to remove frozen caliper pins by allowing a striking force to be applied to the pin not feasible without these tools making removal quick and easy