From left to right, in case: 3/16, 3/16, 3/8, Hinge, 1/4, 5/32, 5/32, Cut 1/8 Bosch quality of course, so no matter how cheap your hammer drill is, /drilling/ should work reasonably well (bits are more important than the motor for a given hole, just like saw blades are more important than a saw motor for a given section). . For a backup set, a second set, an emergency backup, or just for new help, this is the best basic punch set I've come across. Of course, if you make a lot of faucets, youβ¦