This Listing is for TWENTY-FOUR (24) Newly made Better Than Original, replacement STANDARD SIZE WHEELS for an Aurora Model Motoring Thunderjet 500 style chassis. It will accommodate a standard size .0625" axle and standard 'o' ring T-jet tires. TWENTY-FOUR total wheels, FOUR wheels in each of SIX colors: Black, White, Red, Blue, Yellow, and Pink! Sold as is. Buy with confidence please check out my other offbeat slot car related items. Descriptions are very accurate; No Returns. PLEASE ASK BEFORE YOU BUY IF YOU ARE UNSURE. We ship promptly professionally. We happily combine orders refund any excess s/h immediately upon shipping. We can always provide tracking. I charge $1 for expert handling/packaging, actual shipping. I ship out of the country almost daily. Please refer to my feedback, rating or time selling HO slots for assurances of a good honest deal. happy motorin' thanks S'lots from Bob. We Know H.O.