Features: * New high quality * Suitable for 14mm thread spindle. * Innovative design, unique self-locking design, hand-rotating, tighten the grinding disc tighter * Easy to use: The angle grinder quick release nut has a quick release structure, which can be tightened very tight and not easy to loosen. It can be tightened or loosened without a wrench. The process of using it is very easy and fast.* Suit for example diamond cutting discs, grinding wheels, cup-shaped grinding wheels, diamond plates and other types of grinding wheels, etc. with speed 1200W 11000r/min and polishing wheel diameter 115/125/150 /180/230 Specifications: Size: As Pictures Show Thread Model: M14 Diameter: 50mm (As Pictures Show) Color: As Pictures Show Package Contents: 2 * Angle Grinder Flange Nut Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.