2-1/4" Sheet Metal Holcutter Quad Lead 1/8" DOC 14268 6492320 with its patented

with its patented

koken - the wheel nut socket fits onto both outer nut and inner nut16316m 3/4"dr impact rear wheel nut socket 38 x 20 x 100mm

koken 3/4"dr deep socket - 12 point - 26mm single item

Economic model

2-1/4" Sheet Metal Holcutter Quad Lead 1/8" DOC 14268 6492320 with its patentedThe Holcutters, are not hole saws. They're precision ground, heat treated tools that easily cut thru the stock rather than ripping, tearing, and pushing thru as do typical hole saws. They can produce holes three times faster and cleaner than hole saws in sheet metal and have dramatically extend tool life, too. All sizes have a "shoulder" to prevent plunge thru, which is especially useful when drilling into live electrical boxes. See for yourself why