The Radnor Type 1 Cut Off Wheel is a high-quality grinding wheel designed for precision cutting and grinding tasks. With a diameter of 4-1/2 inches and a thickness of .045 inches, this wheel is ideal for various grinding applications. Manufactured by Radnor, this unit is a reliable and durable option for workshop enthusiasts and professionals alike. The cut-off wheel is designed for easy handling and use, making it a practical and efficient tool for any project requiring precise cuts and grinding.please view the photos one blade only