Specification Brand : Climax Metals BulletPoint1 : Effective on hard and soft shafts BulletPoint2 : Design fully engages the shaft without any marring BulletPoint3 : Provides 360 degree of clamping force BulletPoint4 : Easily installed where major disassembly would otherwise be required BulletPoint5 : Black oxide provides some corrosion resistance ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 044861205976 ExternallyAssignedProductIdentifier2 : 0044861205976 IncludedComponents : Product & Instructions Guide ItemName : Climax Metal 2C-218 Steel Two-Piece Clamping Collar, Black Oxide Plating, 2-3/16" Bore Size, 3-1/4" OD, With 5/16-24 x 1 Set Screw ItemPackageDimensions_Height : 2.54 centimeters ItemPackageDimensions_Length : 7.366 centimeters ItemPackageDimensions_Width : 7.62 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : clamp-on-shaft-collars Manufacturer : Climax Metal Products Material : Alloy Steel ModelName : 1-ASSCDS ModelNumber : B002E7HLY0 NumberOfItems : 1 PartNumber : 2C-218 ProductDescription : ✔This set screw shaft collar is made of solid 304 stainless steel, The setscrew-type shaft collar has improved holding power when the shaft material is softer than the setscrew material which supporting low axial loads and simple positioning. Good axial and radial support performance. ✔This shaft collar Comes with a socket cup-point setscrew for securing the collar onto the shaft. ✔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.