Set of two (2) 5-1/2 in. Category 1 lift arm pin with nut(s) and washers included. The pin's diameter is 7/8 in. and overall length is 5-1/2 in.. The lift arm pin is yellow zinc dichromate-plated for corrosion resistance. Lift arm pins connect tractor lift arms to implements. This 5-1/2 in. lift arm pin, forged and adjustable Lift arm pin is Category 1. The nut(s) and washer for these pins are included. The lift arm pin's diameter is 7/8 in. and the thread diameter is 7/8 in. NF. Overall length of the pin is 5-1/2 in. with a usable length of 1-3/4 in. This lift arm pin is yellow zinc dichromate-plated to resist corrosion of the pin. Part Number:28588 We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information.