The Titan Tools mini magnetic parts tray is a great tool to have around to keep track of those small parts, hardware and fasteners while you work. The convenient magnetic base sticks to any ferrous metal surface and even works upside down. The magnetic base is covered in a rubber layer to prevent scratches when you stick the parts tray to other metal surfaces. This tray measures 4-1/4" across and is constructed from long lasting stainless steel. 414 Stainless Steel Dish Perfect For Holding Small Parts, Hardware And Fasteners In Place Rubber Covered Magnetic Base Prevents Scratching Sticks To Any Ferrous Metal Surface It Even Works Upside Down