Jewelry Making Supplies

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Rubber Sprue Bases

Cup Style

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

	Item No.	for Flask Diameter	Cup Diameter	Each
	160-390	3"	1-3/16"	$2.89
	160-392	4"	1-3/4"	$3.75
	160-395	3-1/2"	1-3/16"	$3.10

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