Specification Brand : Faspiroty BulletPoint1 : [Material]: The screw is made of premium carbon steel, the surface of the screw is zinc plated, anti-corrosion, anti-rust and anti-oxidation; the hand knob is made of high quality plastic, smooth and burr-free, sturdy and durable. BulletPoint2 : [Size]: The head diameter is 14.5mm, thread diameter is 6mm and thread length is 35mm, more detail parameters please refer to the picture. BulletPoint3 : [Easy to Use]: Round handle knob tightening screw is easy to install, you just need to grip the handle and turn it by your hand, install it easily and quickly. BulletPoint4 : [Application]: Widely used for hardware, furniture, mechanical equipment, electrical and other industrial equipment. BulletPoint5 : [Package]: 20 Pcs Hand Tightening Knob Screw Color : Black DriveSystem : Star ExteriorFinish : Zinc,Plastic,Steel ExteriorFinish1 : Black ExteriorFinish2 : Brass FinishType : Plated IncludedComponents : Screw IncludedComponents1 : Knob IncludedComponents2 : Screw ItemName : 20Pcs M6x35 Male Thread Thumb Screw Hand Tightening Screw Black Plastic Handle Knob Clamping Screw ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 4 centimeters ItemPackageQuantity : 4 ItemShape : T-Shaped ItemTypeKeyword : star-knobs Manufacturer : HYC Material : Stainless Steel Material1 : Carbon Steel Material2 : Zinc MeasurementSystem : Metric MetalType : Zinc,Plastic,Carbon Steel ModelNumber : hta221014hh0632 NumberOfPieces : 10 PackageLevel : unit PartNumber : HYCX014 ProductDescription : Made of carbon steel, the clamping handles are sturdy, durable, and with high mechanical strength. Chrome plating provides high hardness, good wear resistance and heat resistance. Non-slip thermoset plastic knobs are ergonomically designed for a comfortable and convenient grip. Clear thread, clear inlay, beautiful appearance. Suitable for lathe machine, mechanical equipment, instrument and apparatus, industry equipment. Good replacement accessories for your broken one with the crank handle.