Features: 100% brand new and high quality Made of high-quality materials, durable Resin bonding, 75% concentration. Designed for grinding cemented carbide and hard steel for various cutting tools and cutting tool applications. High-quality aluminum alloy material, good wear resistance. Resin diamond has strong stability, is not easy to lose sand, and has a long service life. Suitable for high-precision processing, high production efficiency, can process various high-hardness materials, high grinding rate, and wide application range. Mainly used for grinding high-hard alloy, non-metallic materials, cutting hard and brittle hard alloy, non-metallic minerals. Product parameters: Type: Diamond Grinding Wheel Material: diamond, cemented carbide, alumina Diameter: 150 mm/6 inches Thickness: 6mm, 8mm, 10mm, 12mm, 16mm, 20mm Aperture: 32mm/1-1/4" Gravel width: 4mm Granularity: 80, 150, 180, 240, 320, 400 Color: as shown Optional specifications: 150*32*6*4 80 150*32*6*4 150 150*32*6*4 180 150*32*6*4 240 150*32*6*4 320 150*32*6*4 400 150*32*8*4 150 150*32*6*4 80 150*32*10*4 80 150*32*10*4 150 150*32*10*4 240 150*32*10*4 320 150*32*12*4 80 150*32*12*4 150 150*32*16*4 150 150*32*16*4 180 150*32*20*4 150 150*32*20*4 180 Package list: 1 * Diamond grinding 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.