5 Piece 2 to 4 50 to 100 mm Centrifugal Rubber Sprue Base Jewelr...

5 Piece 2" to 4" 50 to 100 mm Centrifugal Rubber Sprue Base Jewelry Making Lost Wax Casting Flask Ring Tree"C" Style

Leak-proof, and will fit both regular and perforated flasks. Great for Centrifugal casting and vacuum lost wax casting processes; made from natural rubber materials, and holds 5/16" - 3/8" tree tightly into place.

Sizes includes 1 of each:

2", 2-1/2", 3", 3-1/2", and 4".

Please contact us with any questions. Thanks for looking!

• Leak-proof, and will fit both regular and perforated flasks
• Great for Centrifugal casting and vacuum lost wax casting processes
• Holds 5/16" - 3/8" trees tightly into place