🟢 BRASS MANDREL SPRUE FORMER
🟢 SET OF 3
🟢 JEWELRY RUBBER MOLD MAKING

🟢 Brass Sprue former is designed to be used when making rubber molds.
🟢 The brass sprue former has a tapered cone with a center hole for the 1/8" rod. The rod may be cut as needed.
🟢 The cone shape formed in the mold provides the cavity for the contact between the mold and wax injector nozzle.

🔻 SPECIFICS: JETS Product # 1310-122 X3 🔻
🔸 Material: Brass
🔸 Parts: Cone with 1/8" Hole and Rod 1/8" Diameter
🔸 Cone Tapered Measurements: 7/32" Tip to 9/16" at Base
🔸 Rod Measures: 1/8" x 2" Long