Sprue Former W/Rod
No. 0504 11.5mm(dia.) x 9mm(H)
No. 0505 14.8mm(dia.) x 10mm(H)

0504 Sprue Former W/Rod
Made of brass. Rod 1/8" is to be soldered to pattern.
Nozzle opening will fit most standard wax injectors.
Sprue Former - Taper

0505 Sprue Former - Taper W/Rod
Sprue Former is an essential tool when making rubber mold. It ensures full contact between the mold and wax injector nozzle. Choosing Sprue Former size depends on the thickness of your rubber mold. It is best to place in the middle between two pieces of rubber (roughly 3.5mm).
This Sprue Former set includes a 1/8" sprue for wax fill.

Sprue Former
No. 0507 ø 3 mm - 9mm(dia.) x 5mm(H)
No. 0508 ø 3 mm - 11mm(dia.) x 6.5mm(H)

Sprue Former is an essential tool when making rubber mold.
It ensures full contact between the mold and wax injector nozzle. Choosing Sprue Former size depends on the thickness of your rubber mold. It is best to place in the middle between two pieces of rubber (roughly 3.5mm).