4" Keel Roller Bracket for Boat Trailer, Galvanized, 4" roller required. 7/16" x 2-1/2" Slot, 2-9/16" High, 5-13/16" Long. 11 Ga. Steel. Sold as One each. Made in the U.S.A.4" Keel Roller Bracket for Boat TrailerSKU: 1033$15.95PriceQuantityAdd to Cart