BC Metalworking
Jacks
Cup Jacks
by BC Metalworking
Cup jacks with thin, tear-drop blades.
2 sellers
Jacks
Bronze Cup Jacks
Cup jacks with bronze blades, the tool Ennion started with.
- Blades
- Bronze
Where to buy
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Ennion Glass Tools Direct from the makerVisit seller ↗
Links last checked September 30, 2026.
About this tool
Bronze is softer than steel and chills the glass less, so you get smoother tooling, more working time, and fewer chill marks. It won’t rust, but it’s for hot glass only: don’t force it on cold or very thick glass. Works best with carnauba wax.
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