Product Description: New Complete 80 degree CV (Constant Velocity) Driveline, 1,000 rpm. C-to-C length: 48" (1210 mm).Tractor end: 1-3/8" 21 Spline. Implement end: 1-3/8" 21 Spline. Lemon style tube, type A. Fits JohnDeere Rotary Cutters. Complete Replacement - Components From Original Will Not Interchange. 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.