Left handed drill bits remove broken screws and studs in one easy step Requires a reversible drill. Bit sizes over 3/8" must use a 1/2" chuck drill. Includes Sizes 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", and 1/2" in storage case
