Slip the rubber extender over the flask prior to filling to enable you to fill casting flasks to the top with investment. Prevents spilling of investment during vacuuming.
SKU | Flask Diameter | Price | Qty |
---|---|---|---|
21.797 | 2-1/2" | $14.80 | |
21.798 | 3" | $12.75 | |
21.799 | 3-1/2" | $15.40 | |