he STEELMAN 41811 Non-Marring Magnetic Tool/Parts Tray 4-Piece Set is the ultimate in versatility. This set includes four trays that conveniently adhere to any ferromagnetic surface thanks to durable magnets attached to the back of each tray. Made from durable 20 gauge steel each tray feature a large, open, 1.25-inch tall, 5-inch deep compartment that�s ideal for storing small tools and other items. A protective rubber coating covers the back mounted magnets and contact points to prevent damaging whatever the tray is attached to making these trays make a great addition to any home, garage/automotive shop, or classroom. This set includes one 12-inch tray that can support up to 2.6 lb., a 10-inch tray that holds up to 2.2 lb., an 8-inch tray that holds up to 1.7 lb., and a 6-inch tray that holds up to 1.3 lb.