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Vacuum investment & casting machine
30mm Bearing Cutter 90° Burr
This is the most flexible wax sprue rod featuring a regular hardness and a low melting temperature
Sturdy metal construction that can be screwed to the bench or work surface (screws not supplied)
Gold Testing Plate (Star Wheel) jaxa wrench Vacuum investment & casting machineThe gold test star is a gauge to determine the carat of unknown, unmarked gold items, by colour reference and by comparing acid test touchstone reaction results.; The most efficient aid you will need to test gold; Use with our gold test solutions to determine objects gold content; Also useful for ensuring your acid gives the results it should (it hast deteriorated in any way); Bergeon Swiss has 4 points for yellow gold 9,14, 18 & 22 carat, 3 points
