Pocket hardness scale with diamond (5 - 10)
Product number:
I170
Product information "Pocket hardness scale with diamond (5 - 10)"
Six conically ground mineral points, assembled and engraved on both sides of three metal rods for the different degrees of hardness. Hardness grades: 5; 6; 6.5; 7; 8 and 9.
In addition to the i160 set, this hardness scale contains hardness degree 10 in form of a diamond set in a metal pen.
Supplied in black leather case with explanations.
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