This is a Fixed Steerable Nosegear RoboStrut with a Functional Oleo (shock absorbing) Strut. This Design is a Perfect Match for the Top Flite Cessna 182 Skylane. FEATURES: Designed for use in R/C Model Aircraft Weighing 6 to 14 lbs Complete with Mounting Hardware for Simple Installation to Firewalls Constructed of 3/8" Diameter Aircraft Steel Tubing Hardened Steel Steering Tiller Arm for Positive Ground Control A "fork" Yoke Oleo Strut Accepts Tires up to 2-3/4" Diameter "Glass-Filled Nylon Firewall Mount SPECS: Overall Height: 7-1/8" Axle Diameter: 3/16" INCLUDES: One Robostrut w/Firewall Mount, Axle and Steering Assembly Four #6 Flathead Screws. COMMENTS: The Great Planes wheels will not fit. Use Dubro wheels with these struts. 10/4/95eke ir/jl updt jxs 08/03/11