The Zenith Cox Table Flexion Tension Crank Handle Assembly is 10.5 inches long. It does include the Shaft, 5.5 inch Handle, Lock Collar, Roll Pin, Knob, nut, and bolt. This Zenith Cox Table Flexion Tension Crank Handle Assembly is the full assembly needed.
Part numbers included on diagram show are # 40, 17 23,38,19,20 & 21
This is a easy screw in and out install you will re-use your NUT part # 34