EDSAL Steel Slotted Angle Shelving solves your special storage problems with ease and strength. Scientifically patterned holes and slots allow you to bolt pieces together at various angles without drilling holes. Custom build benches, carts, scaffolds, storage racks, platforms or almost anything you need at a minimum cost. Completely reusable when needs change. No special tools are required. Cold-rolled steel angles. Works well in warehouses, stockrooms—anywhere extra storage space is needed. Gray baked enamel finish. Includes 75 zinc-plated 3/8x3/4" hex head bolts and nuts.