BC Metalworking
Jacks
Cup Jacks
by BC Metalworking
Cup jacks with thin, tear-drop blades.
2 sellers
Jacks
by Watanabe Glass Tools ยท Pawtucket, Rhode Island, USA
A cup/goblet hybrid built on the 7.5" standard, with a three-bend trapezoidal strap taken from pre-war Tuscan factory jacks.
Links last checked September 30, 2026.
Each pair is stamped with a logo, a serial number, and the date.
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BC Metalworking
Jacks
by BC Metalworking
Cup jacks with thin, tear-drop blades.
BC Metalworking
Jacks
by BC Metalworking
Jacks for goblet and stem work.
BC Metalworking
Jacks
by BC Metalworking
Standard jacks with tear-drop blades, hand-made in Minnesota and offered in cup, 8", 9", and 10" sizes.