21.829 = Rubber Tree Sprue Base  4'' 21.829 = Rubber Tree Sprue Base  4'' 21.829 = Rubber Tree Sprue Base  4''
21.829 = Rubber Tree Sprue Base  4'' 21.829 = Rubber Tree Sprue Base  4'' 21.829 = Rubber Tree Sprue Base  4''

21.829 = Rubber Tree Sprue Base 4''

$6.40
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Article number: 21.829
Availability: In stock

This rubber sprue base has a long tapered center for tree spruing with multiple items on the sprue.  The hole is made for 1/4" sprue wax.

Fits a 4" diameter casting flask.

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