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30 Jacobs chuck handpiece Chuck Type #0 Jacobs-style 3-jaw chuck Chuck Capacity Up to 5/32" (4
and wraps with minimal resistance during forming
76mm) 36 504-178 4
and corners
Digital Pocket Gemstone Gauge Chains 30 Jacobs chuck handpiece ChuckA compact digital pocket gauge fitted with leverage type measuring jaws, purpose built for measuring both set and loose gemstones at the bench. The slim, pocket friendly form factor makes it easy to reach stones in settings, while the digital readout delivers precise, easy to read measurements. Pair this gauge with a gemstone reference book for quick and reliable stone weight estimation. Features Leverage type measuring jaws designed for accessing set
