【SIZE】Diameter 4.5inch (115mm), Thickness 1.5mm, Diamond height 15mm, Diamond Grit #100/120. 【APPLICATION】Fast cutting Glass Ceramic Tile, Marble, Jade, Crystal and Wine Bottle. For dry or wet use. Wet use for longer working life. 【ULTRA-THIN BLADE】Sharp and wear-resistant Cutting & Grinding. High temperature resistance, low noise level. 【WHY CHOOSE US】Strong, durable and security. Higher hardness, better toughness and processing efficiency. 【ATTENTION】Suit for angle grinder and circular saw. Recommended RPM: 9000, maximum RPM: 15000. Please secure the cutting material. Add appropriate amount of water before and during cutting. Cut as slowly as possible to prevent chipping.