Key benefits Broad utility: Versatile knobs suitable for a range of settings from home improvement projects to industrial applications, including beach umbrella setups and clamping tasks. Multipurpose: Ideal for household repairs, machinery adjustments, and automotive maintenance; functions as machine handle knob and umbrella handle knob as needed. Durable construction: Hand screws with a robust plastic head deliver lasting reliability for frequent use in clamping and adjustment tasks. Enhanced performance: Star design increases rotational force for more efficient and precise adjustments when tightening threaded connections. Product attributes Material: Plastic head for durability and lightweight handling. Design: Star knob engineered to provide higher torque and easier grip during tightening and loosening. Type: Hand screw style with threaded knob functionality for secure fastening. Compatibility and applications: Suitable for umbrella knobs, clamping hand knobs, machine handle knobs, and umbrella handle knobs in a variety of settings. Use scenarios Home workshop: Clamp a workpiece securely on a bench or drill press by tightening the threaded knob until the workpiece is held firmly. Machinery adjustment: Use the star knob to finetune component alignment on equipment, then lock in position with the threaded connection. Beach or outdoor setup: Attach and secure a beach umbrella or canopy using the umbrella knob to ensure stable positioning. Notes Sizes and thread specifications vary by model; select the appropriate knob for your specific application and threading requirements. Designed to deliver reliable grip and adjustment without excessive force, reducing wear on components during repeated use.