-  Black Oxide Steel One-Piece Industry Standard Clamping Coupling with Keyway. High axial load & torque capacity. Does not mar the shaft. 
                    Unit of Measure
                    
               
        
            Specifications
| Bore | N/A 1.7500 in | 
| 2nd Bore | N/A 1 3/4 in | 
| OD | N/A 3.1250 in | 
| Length | N/A 4 1/2 in | 
| Style | N/A One-Piece Clamp | 
| Keyway Size | N/A 3/8 x 3/16 in | 
| Material | N/A Steel, ASTM A108 | 
| Finish | N/A Black Oxide | 
| Clamp Screw | N/A Hex Socket Cap Screw, 3A Thread, Steel, ASTM A574: 5/16-24 x 1 | 
| Approximate Weight | N/A 102.30 oz | 
| UPC Code | N/A 044861041932 | 

