The Norton Gemini 42026 Type 27 42 4-1/2″x0.045″x7/8″ Right Cut RC45G27 is a high-quality right-hand cut-off wheel designed for metalworking applications. Made with aluminum oxide abrasive material and a grit size of 24, this wheel is durable and efficient for cutting through various types of metals. With a wheel diameter of 4-1/2 inches and a thickness of 0.045 inches, this Norton wheel is perfect for a variety of cutting tasks in the CNC and metalworking industry. Additionally, the 7/8 inch arbor hole size ensures a secure fit on the machine spindle.