The Pittsburgh Magnetic Parts Tray Holder is a 4-inch stainless steel trays with a non-marring rubber base. These magnetic trays are perfect for organizing and storing small metal parts in your workshop or storage area. Made with durable materials, these trays are designed to last and easily hold onto magnetized items. With a brand known for quality and a manufacturer warranty of no warranty, you can trust that these magnetic trays will help keep your workspace tidy and efficient.