The Metro LBTM18Q3 Track Shelving System is designed for efficient storage and mobility. This MetroMax® Q™ Double Deep qwikTRAK™ Mobile Unit Kit features an 18" depth and includes eight 74" steel posts for robust support. It comes equipped with six V-groove casters for smooth movement and an 18" center channel caster assembly for added stability. The kit also includes bumpers, tie bar brackets, and necessary hardware for easy assembly. Shelves are sold separately, allowing for customizable storage solutions tailored to your needs.