Description

14mm Male .OD 25mm
Thickness of bottom:4mm
Package: 5 Pieces (same as pictures)  + Glow ball + Cap + 2  Pieces Stainless Steel Rainbow Wax Carving Spoon

Reliable Quality:100%Made of quartz crystal,High Heat Resistance，Quartz glass can be used at 1100℃ for a long time
Good light transmission. The visible light transmittance is above 92%

Safe to use:
quartz crystal:Quartz is made of natural crystal and silica
High temperature resistance：Quartz glass can be used at 1100°C for a long time.
Good thermal stability. Quartz glass has a very small coefficient of thermal expansion can withstand severe temperature changes, and is stable at high temperatures.
preservative. In addition to hydrofluoric acid, quartz glass hardly reacts with other acids.