This Edge mount version of the Inline Fabrication storage dock stores your QC top plates when they are not locked into your in your quick change base. They are made to be mounted on the edge of your bench or a 2x4 ledger mounted on your wall. Keeps them up out of the way and organized. Includes hardware. This is the preferred dock for Dillon 550, 650,750 and Hornady LNL AP presses equipped with case/bullet feeders. It needs to be mounted on the SIDE of your bench or somewhere where there is free space for the casefeeder to tip into while engaging the dock. Notes:The edge mounted dock is recommended over the standard QC dock for fully dressed presses outfitted with case/bullet feeders ) (This style has more fasteners in 2 positions.)The single dock is recommended if your press/item mounted on your QC top plate exceeds 8" wide. (I.e, Presses with case ejectors, Sidebin systems, Dillon 550, Frankford Arsenal"M" press, etc) because you won't be able to dock them side by side on a doubl...