HIGH-TENSILE STRENGTH: Designed for cutting hardened and softened steels, steel alloys, hard bronze, and metals. The abrasive is perfectly matched to these materials for superior cutting performance. DIMENSIONS AND INCLUSIONS: Includes 50 cutting wheels – each 1.75 inches in diameter and 1/32-inch thick with a 1/8-inch arbor hole. Comes with two size-specific stainless-steel washers. Compatible with Gyros mandrel 80-18100 and operates at speeds up to 42,000 RPM. DURABLE REINFORCED DESIGN: Made of Resin Fiberglass Reinforced material with a double-reinforced structure for superior strength, flexibility, and durability. Designed for clean, precise cuts with minimal heat generation. IDEAL FOR INDUSTRIAL & PROFESSIONAL APPLICATIONS: Works with most rotary cutting tools, making it an essential tool for machinists, metalworkers, and professionals handling tough metals. MADE IN USA QUALITY: Trusted Quality and Performance: Gyros Fiber Disk Cut-Off Wheels are proudly made in the USA, ensuring superior craftsmanship and consistent performance.