Easy to use: The screw extractor and left handed drill bit set are very easy to use, with screw extractors #1, #2, #3, #4, #5 and 5/64in, 7/64in, 5/32in, 1/4in, 19/64In cobalt drill bits to meet different needs. High strength: Made of high quality materials and professional workmanship, the tools feature high strength and hardness, strong aging resistance, durable, practical and reliable. screw remover: Screw extractors are ideal for removing damaged or damaged bolts, screws, fittings, etc., especially or manual removal of internal hex head bolts, studs and hex head screws in machines and fixtures. equipment. portable metal case: Including 5pcs left handed drill bits and 5pcs alloy steel screw extractors, they will come with a metal case, convenient for carrying and storage. Instructions for use: Drill hole in the broken screws, knock the extractor into the broken screw hole, turn the extractor counterclockwise to remove. Specification: Item Type: Screw Extractor Drill Bit Size: 5/64in 7/64in 5/326in 1/4in 19/64in screw extractor: 1 2 3 4 5 Packing list: 5 x drill bit 5 x screw extractor Note: It does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. . Due to manual measurement. Please allow deviation. THANKS! becomeveryrich