The Black Magnetic Mat Tool Holder is a heavy duty organization system. Make sure all of your tools and supplies are easily accessible and visible by using the mat to help you get organized. This Magnetic Mat Tool Holder is embedded with 56 high powered magnets that securely hold steel tools in place. Two panels unfold to reveal a tool storage rack mat that is 12 1/8" x 10 1/4". Can be mounted vertically or horizontally, either in a drawer or on the wall to provide a custom tool organizer. Made of rubber.