This 9 piece spot weld cutter set from Toolzone is an essential tool for cutting out spot welds. It features interchangeable cutter heads that can cut 5/16"" and 3/8"" welds. The set includes a spring-loaded pilot guide and spare centering pins for precise control. Supplied in a sturdy case, this set is compatible with any drill with a 10mm or 13mm chuck, ensuring perfect spot welding cutting every time.