[Cutting Wheel for Grinder] Diamond blade for angle grinder: diameter 4 inches (100mm), thickness 0.03 inches (1mm), inner hole 0.6 inches (20mm). [Multi-hole Design] Designed with a multi-hole pattern, our indestructible discs make less noise, less dust while cutting, prevents clogging and reduces heat buildup, ensuring optimal performance and prolonging the blade's lifespan. [Easy to Install and Use] 4 in Porous Widened Cutting Blade is compatible with most angle grinders and can be easily installed and used. And diamond cutting disc can perform long-term continuous cutting in working environments. grinder blades cuts through any material with ease in seconds and delivers a flat, clean cut without breakage. [Wide Application] Tile grinder blade is a valuable tool for professional contractors, tile installers, and DIY enthusiasts working on projects. It is suitable for smooth cutting, chamfering and grinding of PVC pipes, color steel tiles, metal, stainless steel, marble, square