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Home » 21.783 = Rubber Button Sprue Base 3-1/2''
21.783 = Rubber Button Sprue Base 3-1/2'' 21.783 = Rubber Button Sprue Base 3-1/2'' 21.783 = Rubber Button Sprue Base 3-1/2''
21.783 = Rubber Button Sprue Base 3-1/2'' 21.783 = Rubber Button Sprue Base 3-1/2'' 21.783 = Rubber Button Sprue Base 3-1/2''

21.783 = Rubber Button Sprue Base 3-1/2''

$5.40
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Article number: 21.783 = 3-1/2''
Availability: In stock

This rubber sprue base features a large center for button spruing.  Fill the center with wax to directly sprue one wax grouping of waxes.

Friction fit them onto the bottom of your steel casting flask.

Fits a 3-1/2" diameter casting flask.

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