Music Freestanding Reversible Staff Chalkboard Unit Our graphic board white staves are permanently fused within the porcelain coating to provide a wear and scratch resistance surface. The board is made of magnetic 28-gauge green porcelain enamel steel surface boarded with a oak frame. This is a five stave board with 1" between each line. Each line is 1/16" thick, 5" between each staff and 3" border at top & bottom. The reversible aluminum unit features a fused line music staff on one side and the other side is a plain chalkboard. Each board features a full length chalk tray with rounded ends and offers a double pin-locking system to secure the board and add stability. High quality casters are included at no charge. Lifetime Manufacturer Warranty. Shipped directly from the factory. Allow 2-3 weeks for delivery. 4' X 6' WE WILL CALL YOU TO CONFIRM EXACT SHIPPING CHARGES