drill hog 29 pc super premium cobalt m42+ drill bit set drill hog drill hog is proud to release the newest technology in drill bits. these bits are made from solid super premium cobalt m42+ steel. cobalt has a melting point of 2,723 degrees fahrenheit! these bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more!<li> this index set includes the round orange drill holder with a belt clip. with this special case the entire set clips to your belt! this makes the entire set portable! you can take it up a ladder, wear it on the job site, or throw it in your glove box! you can access the entire set with one hand making it super easy to find the right bit!<li> drill hog includes a lifetime warranty to the original purchaser.