Specification Brand : Ruland BulletPoint1 : Precision honed bores on straight bore couplings for superior fit and torque transmission.Does not mar the shaft BulletPoint2 : Proprietary Nypatch anti-vibration hardware prevents galling, maintains high holding power, and allows for multiple screw insertions BulletPoint3 : 1215 lead-free steel with proprietary black oxide finish for increased holding power and corrosion resistance BulletPoint4 : Hardware tests beyond ANSI standards for maximum torque capabilities BulletPoint5 : Ruland rigid couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant ExternallyAssignedProductIdentifier1 : 634529004241 ExternallyAssignedProductIdentifier2 : 0634529004241 ExternallyAssignedProductIdentifier3 : 00634529004241 ItemName : Ruland CLX-20-20-F One-Piece Clamping Rigid Coupling, Black Oxide Steel, 1-1/4" Bore A Diameter, 1-1/4" Bore B Diameter, 2-1/16" OD, 3-1/4" Length ItemPackageDimensions_Height : 3.048 centimeters ItemPackageDimensions_Length : 8.89 centimeters ItemPackageDimensions_Width : 6.858 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : beam-couplings Manufacturer : Ruland Manufacturing Material : Steel ModelNumber : CLX-20-20-F NumberOfItems : 1 PartNumber : CLX-20-20-F ProductDescription : 'Rigid Shaft Coupling, One Piece Clamp Type, Without Keyway, Bore Dia 1 1/4 In, Overall Length 3 1/4 In, Outside Dia 2 1/16 In, Clearance Dia 2.286 In, Screw Size 1/4-28 In, Max Torque 5000 In-Lb, Black Oxide Steel' ProductSiteLaunchDate : 2011-10-28T15:52:57.907Z Size : 1-1/4 inches UnitCount : 1