I bought a rusted up set of Van Norman no2 Collets. My search for Evapo-Rust on the interweb shows Home Depot sells it by the gallon. Not my Home Depot. They carry the brand in the pics. Stuff works so well, that I decided to keep up the good work by using it on this 1" Horizontal Arbor. 1st time I had it apart & the wear on the shaft surprised me. This 1 had no key while my 1.25" version has a short key of 4" or so. Should I just plan a key that runs the entire shaft & not worry about the wear? Looking for suggestions.