High-Quality, Low-Profile Hobbico Retracts fit Most Popular .40 to .60 Airplane Designs. FEATURES: Low-profile design fits easily into thin airfoil wings Uses 5/32" landing gear wire struts with flat spots already ground in to prevent rotation. Long, independent up-and-down lock mechanisms for easy adjustments Only two moving parts to reduce friction and wear Wheels, collars, and axles not included INCLUDES: Two Main Gear Mechanical Retracts One Nose Gear Mechanical Retract REQUIRES: For AXLES suggest GPMQ4280 Retract servo HCAM0160 Pushrods (2-GPMQ3772), Clevises (2-GPMQ3800), and Cable for steering nose gear (1-GPMQ3700) SPECS: Length- 1 25/32"/1.8" (45mm) Width- 1 19/32"/1.6" (40.5mm) Height- 1" (25.4mm) COMMENTS: The nose-gear is also available separately HCAP4020.