high speed steel left hand step point mechanics length drill bits may eliminate the need for a screw extractor by loosening the stud, relieving the pressure and backing out the broken bolt. Features. Made In USA. May eliminate the need for a screw extractor. Left Hand Drill Bits Must Be Used With The Drill Motor In Reverse Mode. Split point step design starts on contact, selfcenters and eliminates the need for a center punch. Body Clearance Are Gold Surface Treated For Maximum Lubricity. Mechanics length provides a shorter sturdier constructionSpecifications. Size 0.125 in.. Weight 0.5 lbs