Tie Down Roller Shaft w/2 Pal Nuts 13-1/4"x5/8" 86031 by Tiedown Engineering $12.18 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Tie Down Trailer Roller Shaft #241-86031 SIZE: 13-1/4" x 5/8". Zinc Plated Roller Shaft With 2 Pal Nuts.