The laminate shelf is designed for heavy-duty jobs when you need to support up to 175 lbs. This shelf is constructed of 1-1/8" industrial grade particleboard with a laminated top and protective T-mold. Each shelf is secured by a 12-gauge support rail, which is attached to the back frame and spans the width of the shelf. Standard surface is White, ESD surface is Grey. WEIGHT: 38 lbs, WEIGHT CAPACITY: 175 lbs, MATERIALS: 12 gauge steel support bracket, industrial grade laminate, t-mold edge. INCLUDES: (1) LAMINATE SHELF, 12"D x 72"W, (1) SHELF BRACKETS, SET, (1) PARTS & HARDWARE PACKET.