The Martin Quick Disconnect Bushed Sheave 4 3V 800 SK is a high-quality V-Belt Sheave designed for industrial automation and motion control systems. With a belt width of 0.375 inches and a bore width tailored to specific needs, this sheave offers reliable performance and efficient power transmission. Manufactured in Mexico by the trusted brand Martin, this model (4 3V 800 Q) ensures smooth and precise operation in various mechanical applications.