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Product Description
<p>"O" SCALE PRODUCT! This is an 8 pack, up-scaled version of the Keystone Details 1:160 scale AIR Air Valve. Match that up with the O Scale version of the Keystone Details Pneumatic switch machine!</p><p> </p><p>https://www.shapeways.com/product/JP6A2M3S8/quot-o-quot-scale-prr-style-pneumatic-switch-machines</p>
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