Description Quick Disconnect Tractor Yoke - 1 3/8" x 21 spline. Fits Shelbourne Renolds Stripper Header This item is a suitable alternative for the following: 971-1027921, 102-7921, WYQ0367138, AW097138A, A-W097138-A, 82521, 50024921, 500-249-21, 343-1123, 1027921