The bolt extractors feature an internal left-handed spiral design, which provides superior grip and facilitates faster tapping. The reverse spiral flutes in the internal thread maximum gripping power, allowing the socket to tighten securely with every turn. This Bolt Extractor Set includes a range of sizes from 1/8 inch (3.5mm) to 13/32 inch (10.3mm), with increments of 1/32 inch. 25pcs(7/8inch, 27/32inch, 13/16inch, 25/32inch, 3/4inch, 23/32inch, 11/16inch, 21/32inch, 5/8inch, 19/32inch, 9/16inch, 17/32inch, 1/2inch, 15/32inch, 7/16inch, 13/32inch, 3/8inch, 11/32inch, 5/16inch, 9/32inch, 1/4inch, 7/32inch, 3/16inch, 5/32inch, 1/8inch.) Damaged Bolt Extractor Set Crafted from heat-treated and premium Chrome Steel, these extractors are highly to wear, Non rusting, and deformation. Each tool undergoes machining and exhibits exceptional hardness for prolonged durability. Each tool is clearly marked with its corresponding size for effortless identification and selection. It is designed to be compatible with screws and bolts of any size, offering multiple options to meet most of your extraction needs. This screw extractor set is an perfect tool for removing broken screws, bolts, studs, fittings, threaded pipes, and pins. Additionally, it can be used in conjunction with a hexagonal drill bit to expand its range of applications. Whether for automotive repairs, garage projects, construction sites, or home renovations, these extractors are widely applicable., Weight: 4.17555524228 Pounds, Manufacturer: Frewurwer