Designed for efficiency and longevity, the 4-1/2" GR80 ENDURO-FLEX™ blending disc by Walter Surface Technologies offers a superior grinding experience. Manufactured in Germany, this disc features an integral thread of 5/8"-11, ensuring compatibility with standard grinder back flanges. Its unique Eco-Trim™ backing allows for easy trimming, extending the life of the disc by up to three times while providing a quiet and vibration-free grinding operation. Ideal for those seeking a one-step finishing solution, this blending disc is not only safe and easy to use but also contributes to cost reduction in your grinding tasks.