OEMTOOLS 24377 Screw Extractor and Drill Bit Set (35 Piece Master) Drill Bits: 5/64", 7/64", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 19/64", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32" and 1/2" Extractors: Ex-1, Ex-2, Ex-3, Ex-4, Ex-5 and Ex-6 Multi-Spline Screw Extractors Size: 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" Full Range of Spiral and Multi-Spline Extractors for Removing the Toughest Bolts and Screws from 3/32" to 1-5/16" OEM 135 Degree Split Point Left Hand Cobalt Drill Bits, Start Easy and Drill the Toughest Metals