Sprue Base Rubber 4" Casting Jewelers Tools Jewelry NEW
$ 4.00
• tree style rubber sprue base
• 3/8" center hole
• for perferated or straight wall casting flasks
• Weight: 5-1/2 oz 150gm
• For 4" Diameter Flasks
• For Lost Wax Casting
• For Vacuum Casting
• Center Wax Tree Holds Models in Place For Pouring Investment Powder
