Specification Brand : Climax Metal BulletPoint1 : Ruland jaw couplings have a zero-backlash balanced design for reduced vibration at speeds up to 8,000 RPM. BulletPoint2 : Users can combine clamp or set screw hub with inch, metric, keyed, or keyless bore for a high level of customization. BulletPoint3 : Made from high strength 2024 aluminum for light weight and low inertia. BulletPoint4 : Spiders available in three durometers allowing the user to match coupling performance to application requirements. Fail safe design with hubs interlocking if the spider fails. BulletPoint5 : Hardware exceeds DIN 912 12.9 standards for maximum torque capabilities. Ruland jaw couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant ExternallyAssignedProductIdentifier : 7439724891237 ExternallyAssignedProductIdentifier1 : 634529068090 ExternallyAssignedProductIdentifier2 : 0634529068090 ExternallyAssignedProductIdentifier3 : 00634529068090 ItemName : 1 Piece Clamp 1" Bore Dia. Steel Rigid Shaft Coupling ItemPackageDimensions_Height : 0.762 centimeters ItemPackageDimensions_Length : 11.684 centimeters ItemPackageDimensions_Width : 4.064 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : beam-couplings Manufacturer : CLIMAX METAL PRODUCTS Material : aluminum ModelNumber : RC-100-KW NumberOfItems : 1 PartNumber : RC-100-KW ProductDescription : Climax Metal RC-100-KW1^ ID Steel Rigid w/keyShaft Coupling ProductSiteLaunchDate : 2013-02-07T01:41:06.611Z UnitCount : 1 UnspscCode : 31163000