【DURABLE MATERIAL】Constructed from high-quality alloy steel, making them compatible with all M14 threaded angle grinders. They're designed to last, even in demanding applications. 【INNOVATIVE DESIGN】Featuring a unique self-locking structure, these flange nuts can be easily tightened or loosened without the need for a wrench. Plus, they're designed for quick and hassle-free wheel changes. 【VERSATILE APPLICATION】These fast-acting flange nuts securely grip the threads, allowing you to rapidly attach and detach cutting wheels, cup wheels, and other abrasive accessories. Your angle grinder will be more versatile than ever. 【USER-FRIENDLY】No tools are required to effortlessly clamp and release angle grinder accessories. The self-locking mechanism simplifies the process, saving you time and effort. 【WHAT YOU WILL GET】 You'll receive 2 M14 quick release self-locking flange nuts, suitable for angle grinders with a diameter ranging from 115 to 150 millimeters., Manufacturer: GLADFRESIT