Introducing our new All Aluminum Preferred Bleachers with Double Foot Planks! The preferred bleachers are the same as our standard aluminum bleachers but with the addition of double foot planks on all rows, 27" (3 Row-seats 54, 4 Row-seats 70), Seat planks are 10"" wide non-skid aluminum, Four row bleachers do not exceed 30"" in height, therefore guard rail may not be needed! (Check your local codes), All sizes ship by truck! SKU: JYP2267