PTO Screw-Lock Spline Adaptor / Extension 1-3/4" x 20 Female End, 1-3/8" x 6 Spline Male

Brand New PTO spline adaptor, 1-3/8x6 male x 1-3/4x20  Female.

This unit is attached to the PTO out put of the tractor. It extends the PTO shaft by approx. 4-5/8".  Female end uses set screw locks.