This listing is for one 1/8" diameter by 3" long Rescue Bit broken tooling extractor. Hard metal compound allows drilling into tooling which normally cannot be drilled. Use to remove broken bolts, drill bits, thread taps or EZ Out extractors. This is a 1/8" (Drill Point on one end and Reamer on the other end) Rescue Bit that can be used in a standard drill or in a die grinder with the 1/8" collet which is included. Also see the following  Rescue Bit Tips pdf. and the entire Rescue Bit section. Rescue bits as well as reamers, drill bits and taps etc are consumable items. As such they carry no warranty expressed or implied. Have questions about the Rescue Bit? Please read our article with Common Rescue Bit Questions Answered.