The Jaken 200-SDSHD18 heavy-duty shelf deck supports are crafted from robust 16-gauge steel, designed for boltless shelving systems. With an 18" nominal length and a protective gray powder-coated finish, these supports ensure durability against wear in demanding environments. Ideal for warehouse racking and retail stockrooms, they facilitate easy, tool-free assembly with compatible beams, making them essential for creating stable shelving surfaces.