These are the 4-3/8" Diameter Vintage II 1/6 Scale Aircraft Wheels from Williams Brothers Model Products. FEATURES: Black Rubber Tire Vintage Style Wheel Wheel Constructed of Beige Plastic INCLUDES: Two 4-3/8" Vintage II Style Wheels REQUIRES: Installation on landing gear of aircraft SPECS: Inner Diameter: 4.15mm (0.16") Outer Diameter: 110.75mm (4.36") Width: 22.5mm (0.89") Hole Diameter: 4mm (0.16") cnh 11/11/08 ir/jxs