Attributes:* Female Thread Size: M5 (0.8mm Pitch)* Diameter: 20mm / 0.79"* Thread Depth: 13mm / 0.51"* Material: Thermoset Plastic* Color: BlackWhat Is Included:* 20 Pieces x Ball KnobsApplications & Features:--- The ball knobs are widely used in control panels, gear levers, pull rods, valve handles, lawn mowers, lathes, drill presses, industrial and woodworking machinery, instrument equipment, sports equipment, automotive industry, suitable for a wide range of applications.--- Ball knobs provide a smooth, comfortable and ergonomic grip for greater control and are easy to operate for quick adjustments. Knobs are made of durable thermoset plastic, offering excellent heat and chemical resistance, high strength and dimensional stability.