This listing is for TWO (2) BOXES of Aurora Plastics, 6 inch Radius Curve, Outside SPEED CORNERS specifically for the Thunderjet Lock Joiner style Track, but will work with most 6" curves. EIGHT (8) pieces of part #1598 are included. Made in USA c.1965 and they do smell their age. Speed Corners, berms, Slide, drift accessories are unused. Boxes are beautiful with an occasional split corner or scuff as shown. Collector Quality. Instructions included. 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.