Sprue Bases, Button

Price Varies
1 - 2
3 - 9
10 +
Total ---
For setting up wax patterns before investing. Made of durable vulcanized rubber.

Flexible enough to fit flasks that have been distorted from use. Creates a leakproof seal.

3 sizes to fit flask diameters: 2-1/2", 3", and 4".
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