Specification Brand : Kuuleyn BulletPoint1 : INJECTION MOLDING: Employing injection molding technology, this knob is crafted from engineering plastics. This material choice not only ensures a robust construction but also boasts excellent insulation properties, making it ideal for use in electrical and electronic applications. BulletPoint2 : CIRCULAR ARC DESIGN: The circular arc design at the base of the threaded knob not only adds a touch of elegance to its appearance but also enhances its functionality. The exterior surface is polished to a glossy shine, presenting a tidy and professional look. BulletPoint3 : GOOD FASTENING EFFECT: This knob lies a brass nut inner core, meticulously crafted with clear, uniform, and deeply etched thread lines. This design ensures a superior fastening effect, providing a secure and reliable connection that can withstand demanding applications. BulletPoint4 : 7-STAR DESIGN: The unique 7-star design of this knob is not just aesthetically pleasing; it also offers ergonomic benefits. The star-shaped pattern provides a comfortable grip. Additionally, the design incorporates non-slip features, ensuring that the knob stays firmly in your hand. BulletPoint5 : SUITABLE FOR: This versatile star grip knob is perfectly suited for a wide range of industrial applications. Whether you're working with industrial equipment, insulation machine tools, or other mechanical devices and instruments, this knob offers a reliable and efficient solution. Color : Black ExternallyAssignedProductIdentifier1 : 0669999532703 ExternallyAssignedProductIdentifier2 : 669999532703 FitType : Universal IncludedComponents : Screws ItemDisplayDimensions_Height : 1.81 centimeters ItemDisplayDimensions_Length : 2.28 centimeters ItemDisplayDimensions_Width : 1.81 centimeters ItemDisplayWeight : 0.11 pounds ItemName : Kuuleyn Hand Grip Twist Knob 2Pcs Star Grip Knob 7 Star Tighten Nut Clamping Handle Machine Tool Accessories M12 x 80 ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 11 centimeters ItemTypeKeyword : star-knobs Manufacturer : Kuuleyn Material1 : Acrylonitrile Butadiene Styrene (ABS) Material2 : Carbon Steel ModelName : Kuuleynbc4sih69ze ModelNumber : Kuuleynbc4sih69ze NumberOfLithiumMetalCells : 1 PartNumber : Kuuleynbc4sih69ze ProductDescription : Item Type: Star Grip Knob Material: Engineering plastic handle + brass core Thread Diameter: Approx. 12mm / 0.5in Handle Outer Diameter: Approx. 80mm / 3.1in