Atlas #ATL2750 Left Hand Standard Turnout N Scale Black ties and nickel silver rail. Custom N Line Switches are made to be used with the Atlas Under-Table Switch Machine (item #65) or a ground throw. Unlike the other N scale switches which have shortened ties to allow for switch machine attachment, Custom N Line Switches have full-length ties. A double-ended throwbar allows you to place your under-table switch machine on either side of the switch. Comes with one piece of 48cm track."