10' x 1-5/8" x 1-5/8" x 12 Gauge Super Strut Steel Channel With 11/8" x 9/16" Elongated Holes On 2" Centers, Use Electrical, Mechanical & Maintenance Systems, No Welding, Supports Conduit, Panel Boxes, Siderails, Conveyors, Panel & Cabinetry Framing, Gold Galvanized.