Rio Grande Cast-In-One™ Rubber Base, 76.2 mm Mountings synclastic and flat ring forming

synclastic and flat ring forming dies (all available separately)

overnight burnouts

This hinged gem box features a clear-view glass top that permits an unobstructed view of its contents and securely holds a gemstone in place for display or for hand-held viewing

Precision-ground punch surfaces deliver smooth edges that require minimal cleanup

The ergonomic molded handles prevent user fatigue by lessening the force needed for cutting

Rio Grande Cast-In-One™ Rubber Base, 76.2 mm Mountings synclastic and flat ring formingDesigned specially for the Rio Grande Cast In One casting machine, this rubber base holds a 3" diameter sleeve and is ideal for treeing and investing jewelry models. Insert the Penta form into the corresponding holes in this base, leaving a gap of at least 1 8" between the Penta form and the rubber, and you're ready to begin building your tree.