![Boston Gear - 10 Pitch, 3.8" Pitch Diam, 4" OD, 38 Tooth Spur Gear - 1" Face Width, 1-1/4" Bore Diam, 14.5° Pressure Angle, Cast Iron - Top Tool & Supply](http://toptoolandsupply.com/cdn/shop/products/0178633-11_6882c6e7-7695-45ee-8557-740df9d0660d_1024x1024.jpg?v=1586044924)
Boston Gear - 10 Pitch, 3.8" Pitch Diam, 4" OD, 38 Tooth Spur Gear - 1" Face Width, 1-1/4" Bore Diam, 14.5° Pressure Angle, Cast Iron
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