About this item Specification - Cutting Diameter: 4.5 inches/ 115mm; Thickness: 0.05 inch/ 1.2mm; Inner Diameter: 0.79 inches/ 20mm. Ultra-Thin X-Tooth Design Blade - Equipped with an ultra-thin turbine mesh edge and an X-wave ripple tooth design, this diamond saw blade provides a fast, precise, smooth cutting experience. It is designed to cut porcelain, ceramic tiles, sandstone, marble, bricks, slate, and cement lining, without damaging or cracking your tiles. High-Quality Cutting Experience: With a thick center to prevent vibration and swinging, this diamond blade is made of high-performance diamond matrix, providing long life and enhanced material removal. It creates a clean, smooth, and precise cut, resulting in less chipping and less time spent on finishing the edges. Wide Range of Applications - This tile cutting blade is suitable for most tile saws, handheld angle grinders, and handheld cutting machines. It can be used for both dry and wet cutting, making it a great choice for a variety of cutting tasks. Note - Please do not cut for a long time while dry cutting, please add water to operate while wet cutting, please do not do curve cutting under any condition. Do not overload the diamond circular saw blade, and always use at the recommended speed(14000RPM).