4Pcs Knurled Clamping Knobs M5 X 10Mm Metric Zinc Plated Carbon Steel Male Threa
The knurled texture on the surface provides better grip, making it easier to tighten or loosen the knob. The screws are neat and clear, the force is even, and it is not easy to slip. A wide variety of lathe accessories are provided: Ball Knobs, Star Knobs, Knurled Knobs, Lever Handles, Revolving Handles, Hand Wheels and so on.