Specification Brand : Grayhill BulletPoint1 : {Specification}: Mounting Thread Size: M10; Ball Knob Dia: 40mm/ 1.57"; Mounting Type: Female Thread; Finish: Polished; Package Content: 6Pcs x Threaded Ball Knobs BulletPoint2 : {Durable Material}: Using premium phenolic plastic, for high-impact strength, durability, and long service life. Pure copper core thread, which has corrosion-resistant, rust-resistant, and wear-resistant. BulletPoint3 : {Special Design}: The smooth surface of the ultra-solid ball knob is polished, strong structure, beautiful and natural appearance, with a shiny finish that provides a comfortable grip feeling. BulletPoint4 : {Installtion Operation}: This embedded threaded knob is easy to install and remove without any installation tools, and fits most of the machine tools. BulletPoint5 : {Wide Application}: Ball lever knob is a good machine handle replacement that is perfect for controlling recreational machines, sports equipment, lawnmowers, machinery, valves, faucets, textile machinery, woodworking machinery, printing machinery, light industry mining machinery, ships, agricultural machinery, bumper handle, and more. Color : Black ExteriorFinish : Copper ExternallyAssignedProductIdentifier : 6019243027037 FinishType : Polished IncludedComponents : Knob IncludedComponents1 : Knob IncludedComponents2 : Screw ItemName : 11K5028-KCNB,Control Knob, Pointer Nylon Black 27.69mm 18.03mm 18.54mm (25 Items) ItemPackageDimensions_Height : 16.2 centimeters ItemPackageDimensions_Length : 3.9 centimeters ItemPackageDimensions_Width : 14.6 centimeters ItemPackageQuantity : 6 ItemShape : Round ItemTypeKeyword : control-knobs LockType : Polished Manufacturer : Grayhill Material : Plastic MetalType : Copper MetalType1 : Zinc MetalType2 : Alloy Steel ModelNumber : 11K5028-KCNB NumberOfBoxes : 1 NumberOfItems : 10 PartNumber : 11K5028-KCNB ProductDescription : Description: {Durable Material}: Using premium phenolic plastic, for high-impact strength, durability, and long service life. Pure copper core thread, which has corrosion-resistant, rust-resistant, and wear-resistant. {Special Design}: The smooth surface of the ultra-solid ball knob is polished, strong structure, beautiful and natural appearance, with a shiny finish that provides a comfortable grip feeling. {Installtion Operation}: This embedded threaded knob is easy to install and remove without any installation tools, and fits most of the machine tools. {Wide Application}: Ball lever knob is a good machine handle replacement that is perfect for controlling recreational machines, sports equipment, lawnmowers, machinery, valves, faucets, textile machinery, woodworking machinery, printing machinery, light industry mining machinery, ships, agricultural machinery, bumper handle, and more.