Features:100% new and high quality.Solid hardeasy to use with your electric grinder.Ideal for marble, concrete, brick, porcelain, ceramics, epoxy, woods, rock, glass, metal, tile, stone, etc.Specifications:- Mini Diamond Cutting Discs- Feature: Solid Hard / Easy To Use- Material: Carbon Steel- Size: 35mm / 30mm- Accessories: 2pcs rod + 10pcs saw blade- Application: metal, glass, ceramic, jade, etc.Packaged included:10 x 22mm cutting discs2 x MandrelNotice:- Please allow slight dimension difference due to manual measurement.- Please consider the actual sizes in the listing as the pictures are generally enlarged to show detail.- Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.- Due to the light and screen difference, the item's color may be slightly different from the pictures. Thanks for your understanding.The aluminum oxide cut off discs are thin and sharp.It is completely coated with fine diamond particles , breathing holes is for reducing heat and removing debris, perfect for making slots and slitsThe cutting wheels are sturdy and strong, making them fit for cutting gemstone, glass, ceramics, porcelain, tiles, carbide, rocks, aluminium and copperFor your safety, please must wear gloves and goggles and be care around spark when using mandrel dremel diamond cutting tools. It may become very hot when cutting, add some water to keep it cool.Designed for Dremel Wen ect. Rotary Tools and Replacement EZ545/544 Lock Dremel Cut Off WheelsSIZE -- Cutting discs diameter: 30mm/35mm; Mandrel Diameter:3.2mm