The 3/8" Clamp Screw Wheel - AL2202 - GFM is a clamping tool used to secure parts or accessories in place. It consists of a knurled head screw for easy grip and a 3/8" diameter threaded rod for high clamping force. The knurling wheel is made of high quality aluminum for increased resistance to wear and corrosion. This tool is particularly suited for industrial and mechanical applications that require fast and efficient tightening.