Mechanics Time Savers (MTSMWH14MB) Magnetic Wrench Holder for Metric Sizes 8mm-21mm
Holds 14 wrenchesPowerful magnets pull the wrenches into the slotGreat for service carts2" x 12" x 2-1/8"This magnetic wrench holder with 14 graduated slots was engineered to pull and align wrenches into place horizontally using magnets.  Magnetic backing attaches this device inside a toolbox drawer and most metal surfaces.