Specification Brand : uxcell BulletPoint1 : {Specification}: Mounting Thread Size: M12; 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, and durability, has corrosion-resistant, rust-resistant, wear-resistant, and long service life. 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 : Polished ExternallyAssignedProductIdentifier : 7707655214501 FinishType : Polished IncludedComponents : Knob IncludedComponents1 : Knob IncludedComponents2 : Screw ItemName : uxcell 6Pcs Threaded Ball Knobs, M12 Female Thread Thermoset Ball Knob 1.57'' Dia Black Round Operation Ball Handles Embedded Threaded Knob for Machine Handle Tool Replacement ItemPackageDimensions_Height : 14.8 centimeters ItemPackageDimensions_Length : 4 centimeters ItemPackageDimensions_Width : 11.7 centimeters ItemPackageQuantity : 6 ItemShape : Round ItemTypeKeyword : ball-knobs LockType : Polished Manufacturer : uxcell Material : Plastic Material1 : Plastic Material2 : Brass MetalType : Alloy Steel ModelNumber : a22090400ux0217 NumberOfBoxes : 1 NumberOfItems : 20 PartNumber : a22090400ux0217 ProductDescription : Description: {Durable Material}: Using premium phenolic plastic, for high-impact strength, and durability, has corrosion-resistant, rust-resistant, wear-resistant, and long service life. {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.