CBS Constructors benches are durable and maintenance-free and available in many lengths to fit your needs. Bench frames are constructed of 2” square steel tube. After fabrication all frames are hot-dipped galvanized. Both the seatboard and backrest are 2x10 aluminum planks. All planking is 6063-T6, with a 204-R1 anodized finish. End of planks receive an anodized channel end cap.