Specifications: This glass bottle cutter disc fits angle grinders and marble machines in American standard. Diamond blade diameter 4", arbor hole inner diameter 7/8", reducer washer inner diameter 4/5" Thickness 0.07" Ultra Thin Blade: Featuring an ultra-thin blade with optimized grinding force, this ceramic cutting discs ensures rapid, accurate, and smooth cutting with minimal effort Easy To Use: The grinder blades can be used for dry or wet cutting. Wet cutting effectively reduces noise and dust, creating a safer and cleaner working environment for you Widely Used: JonPhoe glass cutting disc is designed for smooth cutting, grinding and chamfering. Suitable for various materials such as glass, tiles, ceramics, jade, crystal, stone, etc High Quality: The incorporation of superior diamond particles endows the tile cutting disc with excellent hardness, contributing to its long-lasting and durable performance Features：
1. 1mm ultra-thin design makes it cut finer and sharper, achieving faster and cleaner cutting.
2. Can be used for both cutting and grinding.
3. Capable Of Withstanding Dry/Wet Cutting And Continuous Cutting.
4. Uniform grinding force, good flatness, less dust, and less debris
5. widely used for cutting, grinding and chamfering glass, jade, crystal, ceramics, wine bottles and other materials.