This is an eBay Store listing for 12 push on retainers, 3/16" (#10) flat style axle clips. These are for 3/16" axles and shafts. Easily tapped in place with a piece of tubing or pliers or racket socket . 

Our eBay Store carries a wide selection of quality replacement parts for a number of 1950's - 1960's Pressed Steel & Cast Aluminum Trucks.

Thanks for looking,