What is the StockAid tool used for?
Where the switch points of a turnout meet the outer "stock" rails some of the base of the stock rail needs to be removed to allow the switch points to tightly close up against it. Removing that small bit of base rail can be very challenging by hand. The StockAid tool works as a clamp to hold the rail steady while only exposing a small portion of the base of the rail. This exposed portion of rail is easily filed off by hand, leaving a perfectly formed stock rail.
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