Stackable rack is perfect for storage inside safes, use at the range or while cleaning firearms. Stores pistols in the space of one pistols lying on it"s side. The racks offer easy access. Keeps guns from sratching each other and allow air to circulate around them to keep them dry. Holds most pistols, revolvers, semi-automatics (from small single stack pocket pistols to 500 S&W Magnums-up to 1-7/8 wide and over 3"-total length). Dimensions-5.75"H x 19"W x 4" D