Professional tool for commercial or occasional use Perfect for removing spot welds Cuts a groove around the circumference of the spot weld Interchangeable heads Double ended cutters for longer lasting life of the kit Chrome vanadium shank for strength and durability HSS Cutters Suitable for drilling out spot welds on most modern vehicle panels M2 cutters 9pc spot weld cutter set Suitable for use with electric or pneumatic (air) drills Spare centring pins for when needed Special centre NIB design prevents slipping when using SET INCLUDES THE FOLLOWING - 1 x 5/16" (8mm) spot weld cutter - 1 x 3/8" (9.5mm) spot weld cutter - 2 x 3/8" (9.5mm) replacement cutter head - 2 x 5/16" (8mm) replacement cutter head - 2 x spare drill pins - 1 x Allen / hex shank wrench Comes in a metal tin for easy storage and transportation