* Maximum Impact Bolt/Extractor Remover: The kit is the ideal tool kit for removing stripped, rounded, painted and rusted bolts and nuts.* Multi-function: 3/8" impact square drive that can be used with air ratchets, impact wrenches and hand ratchets, it also has hexagonal flats for use with flat wrench, pliers, adjustable wrench, sockets or VISE-GRIP collet pliers.* High Quality Construction: From an impact rated 6-point high carbon steel (chrome-molybdenum steel) that provides excellent durability, corrosion resistance and maximum gripping power. Plus the bonus of laser-etched markings on all slots for easy visibility.* Wide Range of Slots for All Types of Jobs: 10 sizes of slots make it the perfect tool kit for all types of applications. The sockets operate on SAE-1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16" and 3/4" sizes. The sockets operate on metric sizes - 8mm, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 17mm and 19mm.* Color: Black.* Fits head sizes: 9, 10, 11, 12, 13, 14, 15, 16, 17 and 19mm.* Material: Chrome vanadium alloy steel.* Package Included: 1 x Nut Remover.* Particularly hardened sockets with corrosion protection.* Designed to remove damaged screws, bolts and nuts.* Anti-slip broken studs rounded screws.* The spiral design of the socket allows for secure connection to the rounded clasp to be pulled out.* Can be used with impact guns or air breakers and reversible ratchets.* Simply place the socket on damaged or rounded nuts and bolt and rotate with an impact gun.* The handle on the connector tightens when more torque is applied.* Comes with a handy storage case (optional). Notes:* Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures.