Specification Brand : HARFINGTON BulletPoint1 : Size - Standard thread size: M10 (1.5mm pitch); threaded stud length: 20mm / 0.79"; 6-star head size: 38mm x 17mm / 1.5" x 0.67"; step size: 19mm x 6mm / 0.75" x 0.24"; total length: 40mm / 1.57"; knob style: 6-star; color: black. BulletPoint2 : Material - 304 stainless steel stud on the clamping star knob has excellent corrosion resistance, oxidation resistance and high strength, ensuring durability and stability, preventing rust. PP plastic six-star handle knob is durable, and can withstand daily wear and tear, lightweight and easy to use. BulletPoint3 : Features - Hexagonal star-shaped design for easy grip, preventing slippage and ensuring stable operation. Combines screw-type structure and six-star handle design for convenient operation, enhancing user efficiency. Tightly-in metal insert is machine-injected at to securely connect the parts together. BulletPoint4 : Applications - Widely used in machinery, electronics, equipment, furniture, such as drill presses, lathes, routing jigs, fixtures, packaging and woodworking machinery, printing equipment. Sturdy thumb screws for the ultimate in adjusting and tightening control. Provide a smooth surface, comfortable grip and ergonomic operation. BulletPoint5 : Note - Ensure that replacement knobs are securely and properly installed on the corresponding female threaded component or fastener. Do not over-tighten as this may cause damage of the male thread knob. Choose the star knob size that suits your needs. Replace the knob if necessary. CareInstructions : Machine Wash Color : Black CornerStyle : Sharp CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 840143571742 ExternallyAssignedProductIdentifier2 : 0840143571742 FabricType : 90% Polyester, 10% Spandex FitType : stretch ItemName : HARFINGTON 8pcs Star Knobs M10 x 20mm 304 Stainless Steel Threaded Stud 38mm Plastic 6-Star Head Hand Tightening Thumb Screw Clamping Jig Knob Handle, Black ItemPackageDimensions_Height : 1.97 inches ItemPackageDimensions_Length : 4.53 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 8 ItemShape : Rectangular ItemTypeKeyword : star-knobs Manufacturer : HARFINGTON Material : 304 Stainless Steel, PP Plastic ModelName : UK0367 ModelNumber : hta240725hh000120 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfSets : 1 OccasionType : Party, Wedding, Banquet, Trade Show, Exhibition PartNumber : hta240725hh000120 Pattern : Solid ProductDescription : 304 stainless steel stud on the clamping star knob has excellent corrosion resistance, oxidation resistance and high strength, ensuring durability and stability, preventing rust and providing reliable performance in various environments. PP plastic six-star handle knob is durable, and can withstand daily wear and tear, lightweight and easy to use. Hexagonal star-shaped design for easy grip, preventing slippage and ensuring stable operation. Combines screw-type structure and six-star handle design for convenient operation, enhancing user efficiency. Star design adjusts and tightens easily for maximum control and flexibility without the need for additional tools. Threaded knobs provide a smooth surface, comfortable grip and ergonomic operation. The tightly-in metal insert is machine-injected at high temperatures to securely connect the parts together. Threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs. Hand tightening knobs are widely used in machinery, electronics, equipment, furniture, such as drill presses, lathes, routing jigs, fixtures, packaging and woodworking machinery, printing equipment. Sturdy thumb screws for the ultimate in adjusting and tightening control. Ensure that replacement knobs are securely and properly installed on the corresponding female threaded component or fastener. Do not over-tighten as this may cause damage of the male thread knob.