Go back to: Product List > Optic Molds > 4 Inch Series View Cart 4-7-12A-top 4-7-12A-bottom 4-7-12A-side 4-7-12A $66.00 4-7-12A - Optic Mold for Glassblowing Quantity: 4-7-12A - Optic Mold for Glassblowing. The 4-7-12A has 12 ribs. It is 4" tall with a 2-3/4" opening at the top that tapers to a 1-1/2" opening at the bottom. This mold is open at the bottom. It is made of cast aluminum.
4-7-12A-bottom
4-7-12A-side
$66.00
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