Organize socket sets with the Ernst Mfg. 18" Twist Lock Pro Series Socket Sysetm. This magnetic set of socket rails, constructed of Rare Earth magnets, allows for easy socket access, storage and transport. The recessed magnets will not scratch or mar the paint on toolboxes. Five socket rails are included to hold 15 1/4" drive sockets, 15 3/8" drive sockets, 15 1/2" drive sockets and a ratchet and extension of each drive size. Includes 288 socket identification stickers. Comes with a full lifetime guarantee. Made in the USA.