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2' 50 MM Diameter Rubber Round-Button (C-Style) Sprue Base Vacuum Centrifugal Lost Wax Casting Jewelry Making Tool

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$9.99

$ 4 .99 $4.99

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  • Holds 5/16 - 3/8" Tree Tightly in place
  • Leak-proof and made from tough, flexible, natural rubber materials
  • Measures 2" in diameter
  • Fits both regular and perforated flasks
  • Ideal for holding the sprue rod in the casting flask while pouring in the investment


Leak proof, and will fit both regular and perforated flasks. Ideal for holding the sprue rod in the casting flask while pouring in the investment. Great for centrifugal casting and vacuum lost wax casting processes; made from tough, flexible, natural rubber materials, and holds 5/16" - 3/8" tree tightly into place. Diameter measures 2".