Metal Magdeburg Hemispheres, Magdeburg hemispheres are closer to the original version than the plastic or rubber models., Each

Details:

These heavy duty Magdeburg hemispheres are closer to the original version than the plastic or rubber models. Thick cast iron walls and large steel handles make this item extremely durable. Plated brass valve and precision machining prevent leakage. The hemisphere diameter is 4.25”, including sealing flanges. The sphere diameter only is 4".