Highlight description: _x000D_ _x000D_ [Chromium-Molybdenum Steel Material] The bolt nut extractor set is made of high-hardness chromium-molybdenum steel material, which are heat-dealing for durability. It has high visibility etched dimensions for quick identification._x000D_ _x000D_ [Reverse Spiral Groove Design] The internal thread adopts reverse spiral groove design, which can bite downward for maximum. The surface is precision machined. Internal left-hand spiral design provides extra grip and faster striking speeds._x000D_ _x000D_ [Standard 3/8-Inch Drive Design] This damaged impact bolt nut remover tool eliminates to place a socket on the hex head before attaching the wrench for use. It adopts standard 3/8-inch drive, which makes screw extraction device compatible with hand tools, power tools, or pneumatic tools._x000D_ _x000D_ [What You Get] The package includes 26pcs rusted screw extraction socket, size from 1/8inch (3.5mm) to 7/8inch (23mm) in 1/32inch increments and come with storage compartments._x000D_ _x000D_ [Widely Uses] This broken screw stud removal kit is used for removing damaged studs, bolts, socket head screws and accessories. It can be used with different square drive wrenches for wide applicatio Product Name: Bolt Nut Extractor Set _x000D_ _x000D_ Specifications: 1/8--5/32--3/16--7/32-1/4--9/32--5/16--11/32--3/8--13/32- -7/16--15/32--17/32--1/2--19/32--9/16--5/8--21/32--11/16--23/32- -3/4--25/32--13/16--27/32--7/8 1/2 post_x000D_ 1/8 | 5/32 | 3/16 | 7/32 | 1/4 | 9/32 | 5/16 | 11/32 | 3/8 | 13/32 Size: 1328mm_x000D_ Color: Black _x000D_ _x000D_ Notes:_x000D_ 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color._x000D_ 2.Please allow slight dimension difference due to manual measurement. _x000D_