This listing is for ONE (1) piece of, Vintage 1960's 1/24th 1/32nd Scale Slot Car MOTOR SHAFT 10 TOOTH BRASS PINION GEAR made by TRADESHIP USA! Unused after 50 years! Sold by Tradeship Manufacturing, San Francisco, CA. Tradeship was a free trade zone company that came about as a result of the burgeoning Larger Scale slot car participation. The Set Screw is able to be installed from either side or both sides as there are two threaded shaft holes. One Set Screw is Installed in each Gear. 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. ************** 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.