Dave Brown Lite Flite Wheels are Perfect for Trainer, Sport, Scale or Pattern Aircraft Models. FEATURES: Low-Bounce, Non-Treaded Foam Tire Snap-Together Nylon Hub for Longer Wear INCLUDES: Two 3" Lite Flite Wheel SPECS: Width: 3/4" Weight per Wheel: 0.78 ounce Center Hole Diameter: 5/32" Outside Diameter: 3" COMMENTS: May be drilled out to fit 3/16" axles maximum. JCT 9/24/04 NMH 3-5-92 upaxy5/23/98 ir/jl