This listing is for ONE (1) Empire gray, Marchon MR-1 Racing, Type 3 Revised style CHASSIS. It is an Unused, New-Old-Stock OEM, Factory Service Part. It will run on nearly any HO Scale Electric Race Track from TYCO, Aurora AFX, TOMY, Life-like, Auto World etc. They run strong are similar in performance to a Life-like M-chassis, TYCO Magnum or Tomy Turbo. They run well on cold tracks it will accept a Hornby Micro-scalextric body on top. This chassis should fit underneath most MR-1 bodies, Except Jet Plains or Monster Trucks. Note: Some traction magnets show flaking of the chrome coating. This does not seem to affect performance. Sold as is. Buy with confidence please check out my other offbeat slot car related items. I will pack your item(s) well try to ship promptly. Descriptions are very accurate; No Returns. PLEASE ASK BEFORE YOU BUY IF YOU ARE UNSURE. Glad to combine shipping when practical. We ship promptly professionally. We happily combine orders refund any excess s/h immediately upon shipping. We can always provide tracking. ************** From I Only ship U. S. Postal Service PRIORITY MAIL TO THE USA due to previous 'lost' packages. ******************* I charge $2 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.