Robart RC 669R RH Trailing Link Offset Strut 3 1/2" WheelRobart 7 16" (11. 1 mm) diameter RoboStruts are perfect replacement for weaker wire, stainless steel, and aluminum type struts. They are suitable for most airplanes weighing 12 to 18 pounds. With real functional oleos and torque links, that can be used on grass or paved airfields. Made from real aircraft grade materials, welded and heat treated components, these struts come with easy to use 3 16 inch (4. 8mm) dia. wire adapter, also a split sleeve