Radius 1,394 mm / 54-7/8". The frog and switch rails are made of metal. This is a complete set consisting of a turnout with a left and a right turnout switch stand and limit signs. (H1105). Märklin three-way turnout with a radius of 1,394 mm / 54-7/8". The frog and switch rails are made of metal. This is a complete set consisting of a turnout with a left and a right turnout switch stand and limit signs. (H1105). The plug-in connection with the "Click". Set up and take down in a jiffy. Sturdy and long lasting.