Product Description: Complete Driveline with Quick Disconnect Yokes. Minimum C-to-C Length: 48" (1210 mm), Maximum C-to-C Length: 75" (1910 mm), Total Collapsed Length: 55" (1400 mm). Tractor end: 1-3/8" - 6 Spline.Implement end: 1-3/8" - 6 Spline. Series: 100. Category 1 (16 hp). It may be necessary to cut thisdriveline to length. Verify the length by ensuring that sufficient overlap of the drive tubes exists in all working positions without the possibility of bottoming out. Fits Bondioli & Pavesi 100Series: Size 1. 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.