The Whitmor DH64248018GRAYBB is a 4-tier adjustable utility shelving unit in gray. Crafted from painted solid pinewood posts and plywood shelves with metal connectors, it offers durability and stability. The middle shelf is adjustable, and the unit includes an optional tip-over restraint for safe wall attachment, with overall dimensions of 13.78"L x 35.83"W x 42.13"H.