Graphite Mold Marble 3/8, 1/2, 5/8 TPT

Graphite TPT Marble Mold from Weaver Industries - .3, .5, .6, .7, .8 and 1.0
This Marble Mold is ideal for lampworking and bead applications. Works for borosilicate glass as well as COE 104 soft glass.
Cavities are 3/8", 1/2", 5/8" Dia.
The 3D cavities are extremely difficult to give accurate measurements.