Specification Brand : AZSSMUK BulletPoint1 : Made of solid Carbon Steel with Black Oxide Coating BulletPoint2 : Bore Diameter: 1/2", Outside Diameter: 1-1/8", Height: 13/32",With 8-32 Set Screw BulletPoint3 : Package Content: 4-Pieces Single Split Clamp-On Shaft Collar with 4Pcs Set Screw. BulletPoint4 : 【Package Include】Ancirs flange coupler is packaged with 4 pack 5mm Flange Shaft Coupling + 4x M3 Mini Hex Wrench + 8 x M3 Fastening Screw. BulletPoint5 : 【Satisfaction Guarantee】 If you are not completely satisfied with ANCIRS Flange Coupling Connector, just contact us through Amazon message and we will provide feasible solution for you as promised. Color : Black DriveSystem : External Hex ExteriorFinish : Silver ExternallyAssignedProductIdentifier1 : 734779357668 ExternallyAssignedProductIdentifier2 : 0734779357668 FinishType : red ItemName : AZSSMUK Single Split Clamp-On Shaft Collars of Metal Material 1/2 inch Bore Set Screw ItemPackageDimensions_Height : 9.1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 6.8 centimeters ItemPackageQuantity : 4 ItemTypeKeyword : clamp-on-shaft-collars Manufacturer : DAOE Material : Carbon Steel Material1 : Aluminum Material2 : Brass MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Alloy Steel MetalType1 : Aluminum MetalType2 : Brass ModelNumber : 40GZ495 NumberOfItems : 4 NumberOfPieces : 10 PartNumber : 1/2-UKSSSC-4P ProductDescription : ✔This Single Split Shaft Collar is made of solid Carbon Steel with Black Oxide Coating. ✔The Single Split Shaft Collar as known as wraps around the shaft so that the clamping forces will be distributed evenly. ✔Using the single split shaft collar has results in a tight fit and better holding power, without damaging the shaft by set screws. Clamp collars are designed to be easy to remove and adjust. ✔Suitable for nearly all types of machinery and industry, such as drive shafts, agricultural implements, medical equipment, gearbox assemblies, motor bases, machine tools, and paper and steel mill equipment, the automotive industry, the manufacturing industry, the hobby craft industry.