3Pc Socket Rail Holder Set 1/2', 3/8' and 1/4' Drive. Brand New In Pack. Description. A Time Saving And A Safe Way Of Keeping All Your Sockets Together. Great Set For 1/2' 3/8' and 1/4' Drive Sockets. 14 x 1/2' Holders 14 x 3/8' Holders 14 x 1/4' Holders Each Of The 3 Rails Has 14 Socket Holders But Can Be Swapped On Rails To Give Mixed Drive Sizes On One Rail Features Length 16' 400mm long. Each Rail Holds 14 Sockets. Screw Holes For Easy Mounting. Screws Not included (PLEASE NOTE SOCKETS ARE NOT INCLUDED)