![ProSeries padlock](https://cdn.masterlock.com/cms/image/keying/keyopt_interch_core_chart.jpg)
This chart details the ProSeries® padlock styles and options for shackles, pinning, keying and Door Key Cylinders available from Master Lock. Note: For best resolution when printing, use 11 x 17 sized paper. To order products, please click "How To Buy."