Atlas O turnouts feature Solid nickel silver rails with a true prototypical profile, Add to this, die-cast frogs and points with cast-on nut and bolt detail, realistic throw bar linkage, and metal guardrails and you have turnouts second to none, The turnouts are pre-wired for positive electrical contact throughout theIndustrial Rail length and come with remote control switch machines, And the patented switch machines can be placed in three positions! The points are sprung for non-derailing action, You can even adjust the spring tension of the points to meet your requirements, Solid nickel silver rail, Scale-sized ties with accurate tie plate, spike and bolt detail, Detailed, all metal frogs and points, Remote control switch machine which can be placed in at least three positions (4 on the WYE), Sprung points for positive non-derailing action, Comes complete with controller, wire and all necessary hardware, Complete instructions included, Metal guardrails, Pre-wired, Can be used with the Lionel TrainMaster Command Control (TMCC ASC or SC-2 is required- sold separately), Can be used with 6924 Non-Derail Circuit Board sold separately, Can be used with 6931 Switch Signal for illuminated route indications sold separately, SKU: SPWS689