Product Description: New Batwing Mower Wing Shaft, size 6. Minimum C-to C Length 55" (1400 mm), Maximum C to C Length: 71" (1820 mm), Total collapsed length 66" (1670 mm). Tractor end 1-3/8" 21 Spline, Implement end 1-3/8" 21 Spline with 7" clutch. Replaces Bondioli & Pavesi No. 6140002FF2. Fits Bondioli & Pavesi100 Series. It may be necessary to cut this driveline 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.