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Cup Style Rubber Sprue Bases

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Cup Style Rubber Sprue Bases

Cup Style Rubber Sprue Bases

The cup in the center is filled with wax or clay to form the base for the sprue.

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Item No.	Diameter	Fits	Price	Qty
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160-390	1-3/16" Cup	3" flask	$3.43
160-395	1-3/16" Cup	3-1/2" flask	$3.80
160-392	1-3/4" Cup	4" flask	$4.45