Spicer 2-40-1871 Tube Shaft Ø1.375x16 spline, Ø3.000 X .083 Tube Spline Major Diameter 1.375 Spline Count 16.000 Spline Type Parallel Tube Diameter and Wall Size 3.000 X .083 End of Spline to Weld K 8.641 Length of Spline L 6.781 End of Spline to Radius R 7.828