Description 5/8" diameter thread, 7/8" diameter pin, 1-3/4" usable length, adjustable. This item is a suitable alternative for the following: 873-7221, P7221, 07221, 2472P7221, 3013-1300, 30131300, 873-P7221, 03137, 873P7221, A-LP15, ALP15, P60-01