Extended landing skids for the X-15. Detailed folding/actuator mechanism, actuator bay and skid shoe. For added strength, the main struts are cast with a metal rod inside. You get superiour strength while at the same time maintaining the level of detail and ease of clean up of resin parts. Chose between the short struts for X-15 ship 1,2 and 3 or the long struts for the X-15A-2.