... Ideal for quickly and easily removing broken, damaged or embedded screw. Screw extractor.Size: 3-6, 6-8, 8-11, 11-14, 14 ... ", 3/4"-1", 1"-1-3/8", 1-3/8"-2".High Speed Steel or carbon steel.Medium duty or heavy ... for quickly and easily removing broken, damaged or embedded screw. Suitable for use with all standard variable speed drill. Screw extractor / damaged screw remover