Specification Brand : NDNCZDHC BulletPoint1 : Good Insulation: Featuring excellent insulation properties, this thumb screws is made using an injection process and an engineering plastic handle for effective performance. BulletPoint2 : Smooth and Strong Surfaces: The surfaces is smooth and strong, offering extended service life and consistent performance over time. BulletPoint3 : Arc Design at Handle: The bottom of the handle is designed with a smooth, tidy, and aesthetically pleasing arc, enhancing both functionality and appearance. BulletPoint4 : Brass Nut: The brass nut has an even and deep tooth pitch, providing a secure tightening effect. The inner lines are clear for improved durability. BulletPoint5 : Strict Quality Control: Manufactured with strict quality control, this star knobs ensures safe use and dependable performance across various applications. Color : Bright Black ExternallyAssignedProductIdentifier : 8880486592990 ItemName : NDNCZDHC 2Pcs M16x80 Clamping Nuts Knob 16mm Female Threaded Knob Star Knobs for Industrial Machine ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thumb-nuts Manufacturer : NDNCZDHC Material : Metal ModelName : NDNCZDHCsni5ykgbet ModelNumber : NDNCZDHCsni5ykgbet NumberOfItems : 1 NumberOfPieces : 1 PartNumber : NDNCZDHCsni5ykgbet ProductDescription : Item Type: Female Thread Clamping Knob Material: Engineering plastic handle + brass Thread Diameter: Approx. 16mm / 0.6in Handle Outer Diameter: Approx. 80mm / 3.1in Quantity: 2