Complete Constant Velocity Driveline. Minimum C-to-C length: 48" (1210) mm; Total Collapsed C-to-C length: 58" (1462 mm). Tractor end: 1-3/8" 21 Spline. Implement end: 1-3/8" 21 Spline. Star style tubing, type B. For 2580 series. Fits Walterscheid WWE series.