4" continuous rim blade provides accurate cutting with minimal chipping. The blade is specifically engineered for cutting ceramic tile. Exclusively designed for processing materials for softer high value rocks like turquoise, opals and some other . Specification: Material: Metal, Wight: 126g Outside Diameter: 100mm/4in Arbor hole: 16mm/0.63in Thickness: 0.23mm/0.01in Package Includes: 10 x Blade Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding.