A set of 6 screw extractor bits with both drill out and extractor bits, designed to remove damaged screws 3 x specially designed drill out bits: 2, 3.2, 4.2mm x 50mm long. 3 x extractor bits: No.1 (3 – 5mm), No.2 (6 – 10mm), No.3 (12 – 14mm). Hardened and tempered for durability. For use with cordless drills.