These are the 1-7/8" Diameter Vintage II 1/12 scale Aircraft Wheels from Williams Brothers Model Products. FEATURES: Black Rubber Tire Vintage Style Wheel Wheel Constructed of Beige Plastic INCLUDES: Two 1-7/8" (Vintage II Style Wheels REQUIRES: Installation on landing gear of aircraft SPECS: Outer Diameter: 45mm (1.8") Width: 6mm (0.23") Hole Diameter: 2mm (0.08") JiM 11.26.08 ir/jxs