18" Bolster Assembly, Set/2

18" Bolster Assembly for Boat Trailers: 2 - 18" Bolsters Support Brackets, Zinc Plated 2 - U-Bolts, Zinc Plated, 2-1/2" l x 3-1/4" w x 1-3/4" thread used on 1-1/2" x 3" tongue 4 - 7/16" Nuts and Flat Washers 2 - Angle Brackets, Galvanize Plated 2 - 3/8" Bolts, Washers and Nuts