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The heavy-duty spring in the base swings the arm so that the molten metal is forced into the flask. The broken arm construction assures that the metal will flow in a straight line, producing dense castings. NOTE: For safety reasons, casting machine springs must be replaced at the factory. Set contains No. 22.365G described above, along with the following additional items: 9 oz. (279 g) crucible, universal sprue base, rubber mixing bowl, spatula, 3-1/2" diameter x 5" long (89 x 127 mm) flask (no cradle needed), flask tongs and a 10 lb. (4.5 kg) box of investment. Shipping weight 29 lbs.(15 kg).
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