Master Mechanic, 5.5″ x 9.5″, Stainless Steel, Magnetic Parts Tray, Holds Nuts, Bolts & Parts Securely, Non Marring Magnet Cover Reduces Risk Of Scratching Work Surfaces, Sticks To Any Ferrous Metal Surface, Even Works Upside Down, Blister Packaging. Product Features “MASTER MECHANIC” MAGNETIC PARTS TRAY Size: 5.5″x9.5″ Stainless steel. Blister packaging. Even works upside down.