PTO Wide Angle Joint 1-3/8"-6 Spline Triangle Profile - Sparex Part S.6645The Sparex S. 6645 PTO wide angle joint is a high performance driveline component designed to transfer power efficiently between tractors and implements, even when operating at sharp articulation angles. It enables smooth motion and consistent torque delivery in heavy duty field applications such as mowing, baling, and tillage. Featuring universal joint sizes of 27 x 75mm and 24 x 91mm, this unit includes a 1 3 8" 6 spline with a triangular profile.