31-Pieces Screw Extractor Set, 37# Cr-Mo & 6542 HS

31-Pieces Screw Extractor Set, 37# Cr-Mo & 6542 HSS Steel Cobalt Left-Hand Drill Bit, Easy Out Broken Bolt Remover Reverse, Ez Out Stripped, Rounded-Off, Damaged Bolts, Studs Removal Tool (Black) About this item 【NUT AND SCREW EXTRACTOR SIZE】:These 6-Pieces BoltΝt extractors work on SAE/Metric sizes - 5/16"(8mm), 10mm, 9/16"(14mm), 11/16", 3/4"(19mm), with 3/8 "to 1/4"hex adapter. And 6-Pieces Screw Extractor: 1#, 2#, 3#, 4#, 5#, 6# 【MULTI-SPLINE EXTRACTORS AND DRILL BIT KIT SIZE】:10-Pieces Multi-Spline Extractors: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32". 10-Pieces Left Hand HSS Drill Bit: 1/8", 5/32", 3/16, 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 11/32". All these tools are clearly marked 【LEFT-HAND DRILL BIT SET】:The left-hand drill bits of this extractor set are made of high-speed steel, strong than right-hand drill bits, and not easy to wear. The 135° angle design of the head makes it easier to touch the fasteners and ensures the precise countersinking and hole smooth clean 【SUPERIOR GRIPPING POWER】:Each lug nut remover is precision designed. The reverse spiral groove of the socket is designed to bite and provide maximum grip. The more you turn, the tighter the socket grips, so it can easily take out stripped, rusted, rounded-off or frozen lug nuts