This is a Nose Gear Retract from Robart for 5-10 lbs Airplanes. FEATURES: Positive up and down lock Tough glass-filled nylon construction Light weight 5/32" tempered steel gear legs Pneumatically operated with Robart air systems INCLUDES: One Pneumatic Nose Gear Retract Unit REQUIRES: Air control kit (ROBQ2302) Hand air pump with gauge (ROBQ2363) Wheels depending on the model SPECS: Strut Length: 6-1/8" Strut Diameter: 1/8" Mounting Plate Dimensions: 1-3/4" X 1-7/8" JAK 10/14/98 COMMENTS: Order ROBQ1807 for Robart Nose Gear Retracts for 5-10 lbs Airplanes ir/jl updt jxs 12/05/05