GoVets offers Clamping Workholding and Positioning - Hand Knob in the Machining category to help customers complete their projects. Hand Knob products are used to secure and position workpieces in a variety of machining operations. They are typically made of metal and feature a wheel-shaped handle that can be turned to tighten or loosen the clamping mechanism. Shop today to find the right Hand Knob product for your project.