Perfect bits for Blair spot welding torches. I had to cut about 500 spot welds and only go through about 3 bits. The ones that broke were mostly my fault for using them at the wrong angle. They last a long time and cut well.
Absolutely top of the line Blair product. I have several of their hole cutting kits and will not use standard hole saws after using them. For small holes I always use Blair cutters by default instead of standard drill bits.
Best spot weld removal tool. I used mine to replace the radiator mount on a CRV and they worked like a champ. Don't forget to lubricate them when cutting. If you don't, you'll wear them out sooner. This is a set that adds greatness to my #11090N set. Other sizes are available to increase the utility of your kit.