Now you can drill through the toughest stones with these diamond drills! Set includes 1/16", 1/8", 5/32", 1/4", and 3/8". You will be glad you added these to your tool box. Preferred drilling tool for glass, stone, tile & hardened steel - use with power drill or rotary tool

* 5 Essential-size twist bits tipped with polycrystalline diamond

* Diamond coating - one of the hardest cutting materials available

* Bit sizes - 1/16", 1/8" 5/32' 1/4" & 3/8"

* High speed, heat resistant shank polished chrome finish for easier drilling

* A drilling tool used for stone, tile, glass & steel | fits 3/8", 1/2" drill chucks