The Dana HP1000 tabs are machined from billet 6061T,they are 7" high on the transom and 23" long by 12" wide and narrowdown to 9". They also have Dana's own billet hydraulic ram withand stainless shaft. Each tab has it's own hydraulic pump forquick actuation. All hydraulic lines are included in kit and are100% stainless steel. Standard color is black, and custom colorsare available for special order.