ITEM NAME:5Pcs/Set 3mm-18mm Steel Screw Extractor Set Bolt Stud Remover Replacement Tool Product Description Description: Center the extractor bit in the screw head and turn counter clockwise to loosen. For broken off screw shafts or bolts than you will need to drill a starter hole in the center before using the extractor bit so that the extractor has something to grab on too. Features: Made of Tempered Chrome Vanadium Steel for longer life and durability Anti-clockwise twist design Plastic reusable carrying / storage case included. Designed to remove stubborn, rusted, stripped, screws or bolts, even factory installed carriage type bolts with no slots to remove from. Material: Chrome Vanadium Steel Color: As the picture Each bit is for sizes 1/8-1/4"(3-6mm), 1/4-5/16"(6-8mm), 5/16-7/16"(8-11mm), 7/16-9/16"(11-14mm), or 9/16-3/4" (14-18mm) Included: 5 x Screw Extractor.Center the extractor bit in the screw head and turn counter clockwise to loosen.
