Tip and roll bleachers are ideal for indoor use. All aluminum seat planks and under-structure provide a lightweight, stable bleacher that is easily tipped for easy mobility. These bleachers are a great addition to any field or facility. Seat planks are 10' wide non skid aluminum. Planks are supported by a strong aluminum under-structure. Transition foot prevents floor marking. Includes four 4'' non-marring swivel casters. Powder coat your bleacher for a custom look! Match your school colors!. 7.5' Long, 4 Row.