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SP0010 Hardness pen's video

1235 plays · 2016-01-26
Videos > Hardness Pen > SP0010
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TQC sheen SP0010 Hardness pen
Product description
TQC SP0010 Hardness pen is a pen tip diameter of 1mm, the shape of a pen-shaped spring Hardness Tester, in the side of the Hardness pen engraved with different Newton force scale value, built with different test range of the spring.