Aifeier ET 4 Pieces M8 x 20mm Thread Star Knobs, Plum Hexagon Shaped Clamping Handle Hand Tightening Thumb Screw Knob Grips Jig Knobs for Umbrella Base Replacement
【What You Will Get】You will receive 4 pieces of hand knob tightening screws. Thread size: M8 x 20mm / 0.3" x 0.79" (Dia x L). Head diameter: 31mm / 1.22". Please check the size before purchasing.
【Good Replacement】These male threaded knobs work great as a holding jig, holds steady and requires little effort to loosen and tighten back up, can be a good replacement for damaged knobs.
【High Quality Material】Hexagonal clamping handle head is made of plastic, smooth and burr-free. The stud is made of carbon steel, thread is deep and clear, stable and long-lasting. Surface with galvanized process, rust and corrosion resistance, strong anti-aging ability.
【Quick & Easy Installation】The star knobs adopt a special star design, finger grip spacing for easy turning, easy to tighten or loosen, can be installed and removed by hand and remove without need of any tools.
【Wide Scope of Application】The hand tightening screw knob grips are very suitable for clamping operations like woodworking fixtures, speaker stands, umbrella, workbenches and so on. Widely used in furniture decoration, mechanical equipment, lathe machine, instrument and apparatus.
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