Specification Brand : C&D Valve BulletPoint : Made in USA BulletPoint1 : 【Size】Thread diameter: 1/4"; Thread Length: 1/2"; Star knob diameter: 25mm/0.98"; Star knob overall thickness: 11mm/0.43". BulletPoint2 : 【High Quality Material】Star shaped knob thread is made of carbon steel, which is wear-resistant, rust resistant, and corrosion-resistant; The knob is made of plastic, with a smooth and crack free surface, lightweight and durable. BulletPoint3 : 【Easy to install】Star shaped clamping knob provides good tightening control to screw effectively and safely without scratching hands. BulletPoint4 : 【Wide Application】Threaded knob is suitable for various applications, including machine, mechanical instrument, furniture modification, umbrella base replacement and other industry applications. BulletPoint5 : 【Ample Quantity】you will receive 15 pieces threaded knurled thumbscrews, which can be installed in any place you need, and meet your daily use and replacement. Color : multicolore DriveSystem : Thumb ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 0682248110606 ExternallyAssignedProductIdentifier2 : 682248110606 GpsrSafetyAttestation : 1 Hazmat : 32000000 ItemName : C&D Valve CD2050 Large Thumb Screw Core Depressor ItemPackageDimensions_Height : 6.8072 centimeters ItemPackageDimensions_Length : 3.2004 centimeters ItemPackageDimensions_Width : 6.4008 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thumb-screws Manufacturer : C&D Valve Material : Brass Material1 : Stainless Steel Material2 : Acetal MeasurementSystem : Imperial MetalType : Stainless Steel ModelNumber : CD2050 NumberOfItems : 1 NumberOfPieces : 15 PartNumber : D2050 ProductDescription : Large thumb screw core depressor, coupler attaches to 3/16" m. flare ProductSiteLaunchDate : 2012-12-23T05:47:03.589Z ShipsGlobally : 1 Size : Large StreetDate : 2016-02-02T00:00:01Z Style : Countersunk head SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 31161500