The Olsa Tools 3-Row Magnetic Socket Holder can hold both deep and shallow sockets. This holder is compatible with 1/4", 3/8", and 1/2" drive Metric and SAE sockets, fitting impact and chrome sockets from any brand. It also features clearly-labeled size markings for easy identification. Each magnetic socket organizer can hold three complete sets of its respective drive size. The magnetic socket holder can be stored in a drawer or mount to the side of a toolbox.