Standard Metric Thread Size: M8 (1.25mm Pitch)Thread Length: 60mm / 2.36"Head Size: 39mm x 19mm / 1.54" x 0.75" (D*T)Step Size: 21mm x 7mm / 0.83" x 0.28" (d*t)Total Length: 79mm / 3.11"Knob Style: 5-StarColor: BlackPackage Included: 4pcs x M8 Star Clamping Knobs, 4pcs x M8 Nuts, 4pcs x M8 WashersThreaded studs on the hand knobs are made of zinc plated carbon steel, with durability, strength, functionality and wear resistance, providing reliable performance. Thermoplastic 5-star head knobs provide durability, a smooth surface and comfortable grip. 304 stainless steel washers and nuts offer excellent corrosion and rust resistance, oxidation resistance and high strength.5-point star-shaped design for easy grip, preventing slippage and ensuring stable operation.
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