❤Features: ✔ Our quick release nuts are made of high quality 45 # steel, which can be used in high strength working environment. ✔ Compared to traditional nuts, it has a quick release structure and the screws can be tightened with bare hands. ✔ The quick release nut has a good matte texture which can reduce the risk of injury from sliding the nut. ✔ Suitable for most angular sanding discs, diamond cutting discs, sanding discs, sanding discs, diamond discs and most other types of abrasive discs . ❤Specifications: Material: steel 45. Diameter: 50 mm Height: 1.3 Color: silver. Quantity: 1. ❤ Reminder: 1. The sanding disc must be aligned with the center of the mandrel. 2. Do not use a 2-pin wrench to remove or install the nut to avoid damaging the firmware. 3. If it cannot be removed during use, it can be aligned and removed with a standard 2-point wrench. Contents: 1 quick release nut M14. ❤ Satisfactory service: ❧ If you have any questions, please feel free to contact us, we will reply