Steel 3/4” round shafts that are splined 3/4-36 on both ends with 2” of spline are available in 2” increments from 2” to 36” in length. Each end can be trimmed up to 1” for an exact fit. Steel 3/4” round shafts that are splined on one end only with 1” of spline are available in 5”, 16”, and 36” lengths. Steel 3/4”DD shafts are available in 18” and 36” lengths only and are easy to trim to the exact length needed.