Rubber Sprue Base Jewelers Lost Wax Casting Flask 3″

Rubber Sprue Base For Jewelry Making This is a new rubber sprue base Great for holding the sprue rod in the casting flask while pouring in the investment Made of tough flexible rubber It measures approximately 3 1/8″ x 1″ (79.3 x 25.4 mm) Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.

Features

• This is a new rubber sprue base
• Great for holding the sprue rod in the casting flask while pouring in the investment
• Made of tough flexible rubber
• It measures approximately 3 1/8″ x 1″ (79.3 x 25.4 mm)