Professional Grade Diamond Coated Flat Lap Wheel for Glass Applications DESCRIPTION Features: *Diamond coating surface area : almost 95%,only side is coated diamond *Wet use recommended *Suitable to grinding gemstone, jewelry, glass, rock, carving Cutter, etc *These diamond discs are of the finest discs manufactured for Hobby, Lapidary, Glass applications *The diameter flat lap wheels have a high density quality diamond coating. *They are absolutely flat and parallel to meet the most exacting faceting requirements. Specifications: Produce Name:Diamond grinding wheel Outside diameter : 8" inch (200mm) Arbor hole : 1/2" (12.7mm) Thick-ness : 1-1.3mm Optional Grit:46#,60#,80#,120#,150#,180#,240#,320#,400#,600#,800#,1000#,1200#,1500#,2000# Package Contents: 1pc Diamond Coated Wheel 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. POLICES Shipping Payment WARRANTY We only ship to confirmed Order addresses. Please comfirm that your Order address is in line with your shipping address. Please kindly note that the c ombined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. It takes about 7 -15 working days to US; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection . If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance. Payment must be completed within 5 days. If you have any problems about payment, please contact us via We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, p lease feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.