Topec 35-Piece Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Set with Reverse Drill Bits, Multi-Spline Extractors for Removing Broken Bolts and Stripped Screws35 PIECE MULTIFUNCTIONAL SET 13pcs multi spline screw extractors, and 16pcs left hand cobalt drill bits, 6pcs spiral screw extractors VARIOUS SPECIFICATIONS AND SIZES The set contains four types of 35 models of parts including imperial sizes such as: 1 8", 5 16", 5 8", 7 16", 11 32", 1 4" etc. You can choose the suitable size according to the size of your fasteners to meet various job requirements. CR MO STEEL AND HSS MATERIAL The set is made of CR MO