![Boston Gear - 10 Pitch, 4" Pitch Diam, 4.2" OD, 40 Tooth Spur Gear - 1" Face Width, 1-1/4" Bore Diam, 14.5° Pressure Angle, Cast Iron - Exact Industrial Supply](http://exactindustrialsupply.com/cdn/shop/products/0178633-11_ba44d71c-3ab3-464d-a037-d4bf168ed989_1024x1024.jpg?v=1586228439)
Boston Gear - 10 Pitch, 4" Pitch Diam, 4.2" OD, 40 Tooth Spur Gear - 1" Face Width, 1-1/4" Bore Diam, 14.5° Pressure Angle, Cast Iron
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