M6 Thread: M6 Threaded Clamp Knob Black Plastic Star Shape Handle Knob for Machine Tool. Material: M6 Black Plastic Star Shaped Clamp Knob for Machine Tool -tool. The handles are made of high quality plastic for durability and long life. Star shape: ideal for a comfortable grip; the surface is well polished and offers a pleasant grip. Star grips are ideal for manual adjustments in mechanical engineering. Great accessory to replace your worn out or broken knob handles. QuantityYou will receive 10 star knob handles, enough spare parts to keep your machine running smoothly, and can also be used for other furniture decorations.< /p> Application: For safe and secure attachment of control panels to assemblies, assemblies and machinery. Widely used for mechanical appliances, instruments and appliances, food and industrial equipment.