1/2" diameter Straight RoboStrut (each).

Robart 1/2" (12.7 mm) diameter RoboStruts are perfect replacement for weaker wire, stainless steel, and aluminum type struts. They are suitable for most airplanes weighing up to 26 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 1/4” inch (6.35 mm) dia. wire adapter, Designed for use in the large line of Robart landing gear, they are also the best replacement struts for all other makes of retracts that have a 1/2” (12.7 mm) strut socket type retract units.