Flash 6" drop - 1" hole Aluminum BM SOLID, ONE PIECE DESIGN resists fatigue and is built-to-last with 2, 4, or 6 inch drops (1, 3, or 5 inch rise) and sizes for 1 or 1-1/4 hitch ball shanks CORROSION RESISTANT: Making it an excellent choice for boating and coastal or harsh winter environments HAND-POLISHED MIRROR FINISH: Looks absolutely fantastic on your truck LIGHTER THAN STEEL: The aluminum used in every BM gives you unmatched strength and durability. The BM easily handles the heaviest of loads, at about half the weight of comparable steel ball mounts. This makes carrying and installing your BM easy and comfortable 1,000 LB TONGUE / 10,000 LB MAX TRAILER WEIGHT: Strong enough for your heaviest toys, yet lightweight and easy to adjust