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Product Description
4 Number Pit Sheave Wheelseach 18 mm these pit winding gear wheels are designed to have a 0.75 mm wire rod bearing, which will allow free running, there is a groove around the outside of the wheel to allow for the winding cables. The size of the wheels at 18 mm works out at 9' in 2 mm scale (N gauge). There are other sizes available also see my shop.