QUALITY: The continuous rim design with extremely fine diamond particles enables precise, chip-free cuts to help you work quickly and efficiently, and strict quality control measures exceptional performance.Efficient Use: Suitable for 4inch angle grinders/stone saws/circular saws. Cut-off wheel enables fast cuts, and thinner design minimizes the contact surface area of the object being cut with the cut-off wheel, resulting in faster, cleaner cuts cut .MULTI-PURPOSE: Designed for smooth polishing and cutting, such as glass tiles, wine bottles, ceramics, chamfers, tiles, etc.Dimensions: 4inch (100mm) diamond blade with 3/4inch (20mm) edged mandrel hole, Thickness: 0.04inch (1mm).Safe and stable: Can withstand dry/wet cutting and long-term continuous cutting various working environments. (Note: Wear all applicable safety equipment when using these cut-off wheels.)color:GreenMaterial:diamondPackage Contents:5 x glass cutting discOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.