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 bolted to the back frame and that spans the width of the shelf. WEIGHT: 27 lbs, WEIGHT CAPACITY: 175 lbs, MATERIALS: 12 gauge steel support bracket, industrial grade ESD laminate, t-mold edge. INCLUDES: (1) LAMINATE SHELF, ESD, 15"D x 48"W, (1) SHELF BRACKETS, SET, (1) PARTS & HARDWARE PACKET (1) GROUND BOLT & WIRE.