ISC 5 Pcs Screw Extractor Screwdriver Bit Set(Pack of 5)

Features: – Removes damaged screws that can not be removed with a standard screwdriver. – Black oxide finished for durability. Sizes: – NO.1: 1/8? – 1/4? – NO.2: 1/4? – 5/16? – NO.3: 5/16? – 7/16? – NO.4: 7/16? – 9/16? – NO.5: 9/16? – 3/4?