The ServoCity 0.3125" (5/16) Aluminum Clamp Collar is designed for securing components on shafts in mechanical applications. It functions as a mechanical stop and stroke limiter, offering superior holding force without damaging the shaft. The clamp collar evenly distributes pressure around the shaft, ensuring optimal holding power. Constructed from aluminum with a clear anodized finish, it is recommended for its enhanced performance over set screw collars.