Product Description: Complete Constant Velocity Driveline. Minimum C-to-C length: 48" (1210) mm. Tractor end: 1-3/4" 20Spline. Implement end: 1-3/4" 20 Spline. Star style tubing Type B. For 2580 series. ReplacesWalterscheid No. W258012100303. Fits Walterscheid WWE series. It may be necessary to cut this driveline to length. Verify the length by ensuring that sufficientoverlap of the drive tubes exists in all working positions without the possibility of bottoming out.