Advance Tabco GSG-18-48 Sleek Shield™ Food Shield, self service, 48"W x 18"D x 18"H, with Glass top shelf, 1/4" thick heat tempered glass front & side panels (side panels 18" deep to meet NSF requirements), 3/8" thick heat tempered top glass, equipped with Chamber Lock™ technology fixed to upright legs, allowing rotation in 15 degree intervals, maximum load on top glass 100 pounds evenly distributed weight