EDSAL Galvanized 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. Ideal for wet, salty, or corrosive environments. Hot dipped galvanized finish resists rust, and most chemicals. Includes 75 zinc-plated 3/8x3/4" hex head bolts and nuts.