This essential 6-piece screw extractor set includes both drill out and extractor bits crafted to remove damaged, rounded or corroded screw fixings. Each extractor is manufactured with a quick chuck end compatible with cordless drills and is hardened and tempered to guarantee long-lasting usage. Features and Benefits A 6-piece screw extractor set used to remove damaged screws, including 3 drill out bits in sizes 2, 3.2, 4.2mm x 50mm long, and 3 extractor bits in sizes No.1 (3 - 5mm), No.2 (6 - 10mm), No.3 (12 - 14mm) The set is compatible with cordless drills The kit has been manufactured with long-lasting durability in mind with each extractor and drill bit hardened and tempered Typical Applications To remove damaged screw fixings