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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
this German machinist square is the metalworker's equivalent of a woodworker's try square
it scrapes the inner wall
0 mm – 24
it can also be modified for custom applications specific to your bench work
Gold Test Needles Set of Five-10K-12K-14K-18K-& 22K Art Clay Silver this German machinist square isGold Test Needles Set of Five (10K, 12K, 14K, 18K & 22K) This professional set of gold test needles includes five needles, each tipped with a different karat of gold, allowing jewelers and metalsmiths to perform comparative acid testing across the most common gold purities. By rubbing each needle against a test stone alongside an unknown gold item, then applying testing acid to both marks, you can observe and compare the acid reactions to estimate the
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