G&G Manufacturing 112A2221 Splined Shafts, Splined One End Only, Splined Size: 1-3/8" x 21", Length: 12". Provisions must be made by the user to shield exposed driveline components. Shorten implement driveline or extend hitch point to accommodate splined shaft. Standard Length Splined Shafts are made from Mild Steel, ideal for many repair jobs and building special machinery. Weight: 4.75 lbs.