General description This 27-piece Screw Extractor Set is designed for removing damaged or rusted screws, bolts, nuts, studs, fittings, threaded pipes, and pins. Featuring an upgraded double-head design, this kit allows for direct connection with a wrench, making it more convenient and efficient for tackling tough removal tasks. Technical specifications Material: Heat-treated high-quality chromium-molybdenum steel Set includes sizes: 1/8 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 9/32 inch, 5/16 inch, 11/32 inch, 3/8 inch, 13/32 inch, 7/16 inch, 15/32 inch, 1/2 inch, 9/16 inch, 17/32 inch, 5/8 inch, 19/32 inch, 27/32 inch, 13/16 inch, 25/32 inch, 3/4 inch, 23/32 inch, 11/16 inch, 21/32 inch Includes: 3/8 inch - 1/4 inch hex adapter, 3/8 inch - 1/2 inch adapter, 3/8-H10 bit holder Measurement allowed error: +/- 1-3cm Usage Designed for removing damaged or frozen screws, bolts, nuts, studs, fittings, threaded pipes, and pins Compatible with both power tools and hand tools Easy to