【GOOD QUALITY】M14 quick-release nut is made of high-quality carbon steel, which has high strength and is not easily deformed during use. It has a torque of 40Nm, a rotation speed of up to 12,000rpm, and a longer service life. 【PACKAGE INCLUDED】The package contains 3 pieces, m14 quick-release nut, gear model, hole diameter 14mm, total diameter 50mm, ideal tool for quickly fixing and loosening diamond cutting discs, cup wheels, abrasive wheels and other accessories. 【ANTI-RUTSCH DESIGN】The bottom of the angle grinder accessories has a delicate matte texture, which allows the nut to firmly fix the disc without slipping. Wipe the grinding disc, spindle and quick change nut clean before use to prevent foreign matter from getting stuck in them. 【WIDE APPLICATION】The m14 quick release nut is suitable for all angle grinders with M14 interfaces on the market, as well as most types of diamond cutting discs, grinding discs, cup grinding discs, diamond plates, etc.