20 Pieces Knurled Thread Clamping Knob, Star Handle, Star Shaped Hand Knobs, Black Plastic Clamping Knob, for Mechanical Equipment

★ Premium Material: The female threaded star-shaped knobs are made of plastic, offering good toughness and strong anti-aging properties. The nut's surface is galvanized and corrosion-resistant.
★ Star-Shaped Handle: Using these star-shaped knob nuts on your mechanical projects provides a more comfortable grip. Additionally, you can adjust your machine tools without scratching yourself.
★ Knob Head OD: 25 mm/0.98" (25# M4); 25 mm/0.98" (25# M6); 38mm/1.5" (38# M8); 38mm/1.5" (38# M10)
★ Wide Application: Bring this versatile and assorted kit with you to start working on mechanical equipment, instruments, appliances, furniture, etc. Widely used in all areas of industry and life, our star-shaped knobs would be a good choice for you.
★ Package Contents: 5 pcs * M4 + 5 pcs * M6 + 5 pcs * M8 + 5 pcs * M10