Rio Grande Cast-In-One™ Stiffener Ring, 44.45 mm
Designed specially for the Rio Grande Cast-In-One™ casting machine, this stiffener ring fits onto the upper edge of the 1-3/4"-diameter clear plastic investing sleeve to give the sleeve rigidity and to keep the opening perfectly round during investment.
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Product Information
Shipping & Returns
Shipping & Returns

Rio Grande Cast-In-One™ Stiffener Ring, 44.45 mm
Rio Grande Cast-In-One™ Stiffener Ring, 44.45 mm
Designed specially for the Rio Grande Cast-In-One™ casting machine, this stiffener ring fits onto the upper edge of the 1-3/4"-diameter clear plastic investing sleeve to give the sleeve rigidity and to keep the opening perfectly round during investment.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Designed specially for the Rio Grande Cast-In-One™ casting machine, this stiffener ring fits onto the upper edge of the 1-3/4"-diameter clear plastic investing sleeve to give the sleeve rigidity and to keep the opening perfectly round during investment.













