Specification AgeRangeDescription : Adult Brand : HARFINGTON BulletPoint1 : Size - Standard metric thread size: M10 (1.5mm pitch); thread length: 20mm / 0.79"; tee wing head size: 55mm x 21mm x 23mm / 2.17" x 0.83" x 0.9" (L*W*T); total length: 43mm / 1.69"; color: black BulletPoint2 : Material - Zinc plated carbon steel threaded studs on T wing knobs ensure durability, strength, functionality and wear resistance. Thermoplastic tee head knobs provide durability, a smooth surface and comfortable grip. Threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs. BulletPoint3 : Features - T wing knobs are easy to grip and turn by hand, providing leverage and comfort, making it easier to tighten or loosen the knob. Tightly-in metal insert are machine-injected at high temperatures to securely connect the parts together, easy to install. Combines screw-type structure and tee wing handle design for convenient operation, enhancing user efficiency. BulletPoint4 : Applications - Metric hand clamping knobs are commonly used in applications that require frequent and quick adjustments or tightening. Widely used in lathes, drill presses, lathes, routing jigs, fixtures, packaging and woodworking machinery, printing equipment. Sturdy and durable thumb screws for the ultimate in adjusting and tightening control. BulletPoint5 : Note - Always tighten the thumbscrew knob securely to prevent any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary. CenterToCenterSpacing : 10 inches Color : Black ExteriorFinish : Bronze ExternallyAssignedProductIdentifier1 : 615035246332 ExternallyAssignedProductIdentifier2 : 0615035246332 FcShelfLife : 900 days FinishType : Bronze Flavor : Fluoride HandOrientation : Ambidextrous IncludedComponents : Screw IncludedComponents1 : Knob IncludedComponents2 : Screw IsExpirationDatedProduct : 1 ItemForm : Paste ItemName : HARFINGTON 2pcs Tee Wing Knobs M10 x 20mm Metric Male Threaded Stud 55mm T Head Plastic Knob Handles Thumb Screws Hand Clamping Tightening Knob Grip Thumbscrew, Black ItemPackageDimensions_Height : 0.98 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 2 ItemShape : Arch & Bow ItemTypeKeyword : wing-knobs Manufacturer : HARFINGTON Material : Zinc Plated Carbon Steel, Thermoset Plastic MaterialTypeFree : Bleach Free MetalType : Zinc Alloy ModelNumber : hta240817hh000594 NumberOfBoxes : 1 NumberOfItems : 10 PackageLevel : case PackageTypeName : Tube PartNumber : hta240817hh000594 ProductBenefit : Whitening ProductDescription : Zinc plated carbon steel threaded studs on T wing knobs ensure durability, strength, functionality and wear resistance. Thermoplastic tee head knobs provide durability, a smooth surface and comfortable grip. The threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs. T wing knobs are easy to grip and turn by hand, providing leverage and comfort, making it easier to tighten or loosen the knob. Tightly-in metal insert are machine-injected at high temperatures to securely connect the parts together, easy to install. Combines screw-type structure and tee wing handle design for convenient operation, enhancing user efficiency. Metric hand clamping knobs are commonly used in applications that require frequent and quick adjustments or tightening. Widely used in lathes, drill presses, lathes, routing jigs, fixtures, packaging and woodworking machinery, printing equipment. Sturdy and durable thumb screws for the ultimate in adjusting and tightening control. Note: Always tighten the thumbscrew knob securely to prevent any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary.