The 3M™ Diamond Cloth Belt 674W is made to provide long-lasting cutting performance when used for finishing ceramics, carbides, and hard-coated materials. Its diamond mineral is resin-bonded to a durable, water-resistant cloth backing, allowing it to be used with or without coolants. Unlock your grinding potential with the 3M™ Diamond Cloth Belt 674W.The 3M Diamond Cloth Belt 674W is engineered for hard-to-grind materials. While it can be run dry, optimal results are achieved when this diamond abrasive belt is used with a coolant this helps minimize any risk of thermal damage. Water is desirable when grinding or polishing with diamond abrasives since it efficiently cools both the work and the abrasive. For a fast, efficient cut, reach for the 3M Diamond Cloth Belt 674W.