Part of the "V12" socket organizer series with rails that hold up to, depending on drive size, 12 sockets per side 
Stores sockets at a 45° angle for a low-profile fit in drawers while allowing for twice the number of sockets plus space for a ratchet
1/8th turn twist lock design keeps sockets secure and base magnet keeps things in place for one handed socket selection
Designed for sockets with retention notches, ratchet holder or any number of socket spots can be removed for space as needed