Short: 58cm extending to 70cm. Guide: Use with implements such as PTO pumps and generators. 1-3/8" 6 spline.
Medium: 110cm extending to 150cm. 1-3/8" 6 spline. Guide: Use with slashers and mowers.
Long: 160cm extending to 220cm, note this shaft is spline one end and smooth round with pin the other end. Guide: Use with PTO post hole diggers.