THIS LISTING IS FOR SIX (6) 26 TOOTH Scre-e-echers style chassis (normal G+ is a 20 tooth) CROWN GEARs. the inside axle diameter is the same as a G-Plus 8878, but these have a 1mm larger outside diameter. i believe, they were made in Singapore for Aurora Plastics Co. of West Hempstead, Long Island New York. Screechers were a battery operated set meant to go at lower speeds under battery power. Sold as is. Descriptions are very accurate; No Returns. PLEASE ASK QUESTIONS 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. We ship out of the country almost daily. Please refer to our feedback, social media or time selling HO slot cars for assurances of a good honest deal. Happy motorin' thanks S'lots from Bob at Slot Car Central in SYR. We Know H.O.