The CH3 Chrysler Outboard, Polaris, and Mercury Key is a high-quality key blank that is ideal for locksmiths and key cutting professionals. This uncut key can be easily cross referenced with the following part numbers: CB-1 Curtis, CH3 Ilco, CY12R Silca, and C39A Taylor. With its durable construction and versatile compatibility, the CH3 key blank is a reliable and efficient option for your key cutting needs.