Need a comfortable, easy-to-grip knob for your machinery or DIY projects? Check out these uxcell star head clamping knobs! Each knob has an M6x15mm male thread, so you can screw it right onto compatible bolts or shafts. Made from black plastic with a silver-tone metal insert, they're durable and provide a nice tactile grip thanks to the 5-point star shape. The knobs measure about 37mm in total height, with a star head diameter of 32mm and thickness of 11mm. Great for use on lathes, mechanical equipment, instruments, or even furniture where you need a reliable clamping handle. This pack includes 5 knobs, so you've got spares on hand. They're easy to install, feel solid in hand, and add a professional touch to your setup. Perfect for workshop repairs, hobby projects, or industrial applications. Whether you're replacing a worn-out knob or upgrading your gear, these are a handy and affordable solution!