Product description The combined wrench key "АВТОДЕЛО" is made of chrome-containing steel CRV6150 by hot stamping method (forging on hammers). It is used for working with threaded fasteners. - Suitable for working with any types of hexagonal fasteners. - The angle of inclination of the ring jaw is 15 degrees relative to the plane of the key, which provides more convenient installation. - Protected from corrosion by matte chrome plating. The key has a standard profile of the open part of the key, and the ring part has an OVER DRIVE profile, which is well suited for working with undamaged fasteners, as well as fasteners with burrs, bites, and other damages.