Stainless Supply 304 Stainless Steel Floating Shelf (Various See Drop Down Menu) - Selected Size: (10"x42") High quality 304 stainless steel construction. Internal stainless steel mounting system. 2.5" thick. 18", 24" & 30" models can hold up to 80 lbs. when mounted on (2) studs. 36", 42" & 48" models can hold up to 120 lbs. when mounted on (3) studs. 60" model can hold up to 160 lbs. when mounted on (4) studs. 72" model can hold up to 200 lbs. when mounted on (5) studs.