RUBBER SPRUE BASE 3-1/2" 

Button Style -

LOST WAX CASTING FLASK-

🟢 Rubber Sprue base for use in lost wax casting process, bases can be used with solid flask as well as perforated flasks.  

🟢 The sprue base is made of natural rubber side walls are flexible for easy fit to the flask and assure a leak proof seal when investing for casting process.


SPECIFICATIONS:

🔸 Material: Natural Rubber
🔸 Flask Diameter:  3-1/2" - 88.9mm
🔸 Center Hole Diameter:  1-5/8" - 41.27mm
🔸 Weight of Sprue Base:  2.8oz

SHIPPING: Via USPS First Class  

Visit JETS INC our ebay Store to see listings for many other sizes and types Sprue Bases and Flasks along with Lost Wax Casting Supplies and Accessories, including Casting Investment Powder, Casting Injection Wax and Carving Wax along with a selection of many other Jewelers Equipment Tools and Supplies.   JETS Inc.