7/8" x 1-3/4", Lift Arm Pin, Category 1 Forged, Lift Arm Pins Connect Implement To Lift Arms On Tractor, Overall Length 5-1/2", Useable Length 1-3/4", Pin Diameter 7/8", Pin Type F, Thread 7/8 NF, Nuts & Washer Included, Yellow Zinc Plated To Resist Corrosion.