Need a comfortable, easy-to-grip handle for your DIY project, machine tool, or workshop jig? This uxcell Clamping Handle (or Star Knob) is just the thing. It has a 30mm long male thread with an M10 metric size, meaning the threaded rod sticking out is 10mm in diameter. The top is a large, star-shaped plastic or metal knob with raised ridges, giving you great leverage to tighten or loosen it by hand without tools. It's perfect for applications where you need to make quick adjustments or secure something that you'll need to open frequently – think on 3D printers, woodworking clamps, camera mounts, or machinery guards. The thread is standard, so it'll screw into any matching M10 nut or tapped hole. Simple, effective, and makes your project look more professional. A must-have for any maker's or mechanic's parts bin.