Description: Different specifications allow you to choose the most suitable one according to your needs. Simple and convenient installation will not waste your time and energy. Exquisite and professional workmanship makes it very sturdy and durable. Wear resistance and corrosion resistance make it have a longer service life. Made of diamond material, it is very durable to use. There are four specifications for you to choose. It is suitable for workshop, industry, factory, home and so on. Item Name: Grinding Wheel Material: Diamond Features: Sturdy, Not Easily Deformed, Wear-resistant 360 Grits: suitable for scissors, kitchen cutter, planers, etc. 180 Grits: Drill Bit, Stainless Steel Drill Bit, Drill Bit With Drill, etc. A: 49mm 180#, B: 56mm 180#, C: 56mm 320#, D: 56mm 600# Size Details: A: Diameter: 4.9cm/1.93" (Approx.) B/C/D: 5.6cm/2.2" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Grinding Wheel