Specification Brand : Bettomshin BulletPoint1 : [Thread Size]- M10 Star Head Screw : Total Length:84mm; Handle length:50mm/1.97inch; Screw length:34mm/1.34inch; Material: bakelite BulletPoint2 : [Product Features]- The handle nut rod has a firm structure and is not easily deformed. The surface is smooth and can provide a comfortable grip. BulletPoint3 : [Widely used]- In lathes, mechanical equipment, instrument and apparatus, industrial equipment. BulletPoint4 : [EASY TO USE]- These umbrella base screw knob replacement are easy to tighten/loosen and no extra tool required, They definitely will bring great convenience to your life BulletPoint5 : [Durable]- The star lock nut rod knob is made of bakelite, and the screw surface is galvanized and galvanized to improve wear/corrosion resistance. Color : White DriveSystem : Star ExteriorFinish1 : Silver ExteriorFinish2 : Black IncludedComponents : false IsValueStoresItem : 1 ItemDisplayWeight : 8.8 pounds ItemName : Bettomshin 5Pcs M10 Thread Replacement Star, 20mm Length Hand Knob Tightening Screws for Mechanical Equipment,Instrument & Apparatus ItemPackageDimensions_Height : 13.8938 centimeters ItemPackageDimensions_Length : 7.493 centimeters ItemPackageDimensions_Width : 12.192 centimeters ItemPackageQuantity : 12 ItemTypeKeyword : star-knobs Manufacturer : Bettomshin Material : Plastic ModelName : Star Knobs ModelNumber : 1 NumberOfBoxes : 1 NumberOfItems : 12 PartNumber : AH2101S1206CA ProductDescription : Bettomshin Thread Replacement Star Product Information Product name: star knob clamping hand tightening screw Total Length:84mm Specification:M10 Handle length:50mm/1.97inch Screw length:34mm/1.34inch Material: bakelite Color: Silver, Black Describe 1. The appearance of the five-pointed star is conducive to tightening, locking and adjustment. 2. Injection molding, threaded inserts are made of metal, durable and long service life. 3. Screw-in design, easy to install, smooth lines, easy to rotate between finger grips. 4. Widely used in furniture, shelf brackets, mechanical equipment, instrumentation, food and medicine industry equipment Package content 5 xThread Replacement Star Warm Tips 1,.Small parts, please keep away from children under 6 years old. 2.If you have any questions about our products, you can click the "Seller Contact" button in your Amazon account to send us an email. We are happy to help you and respond as soon as possible.