7/8" x 2-1/4", Lift Arm Pin, Category 1 Forged, Lift Arm Pins Connect Implement To Lift Arms On Tractor, Overall Length 6-3/4", Useable Length 2-1/4", Pin Diameter 7/8", Pin Type F, Thread 7/8 NF, Yellow Zinc Plated To Resist Corrosion.