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0 Items - 0,00 €Spring steel gauge, with millimetre scale, precision 0.1 mm.
“Presidium” mechanical gauge for precious stones and pearls, 0.1 mm accuracy, Comes with handbook with appraisal tables and case.
Standard sieve gauge, ø disc 66 mm, n. discs 63 - 1,1 ÷ 4,50 (0-20)
"Extra" precision spring caliper with quick opening screw
"Standard" precision spring caliper with quick opening screw.
Standard sieve gauge - Disc diameter: ø 47 mm - N. discs: 43 1,1 ÷ 4,50 (0-20)
Borletti Caliper, millimetre reading scale with digital display.
Brass gauge for stones, millimetric/inch scale, 0.1 mm accuracy, scale 0 ÷ 60 mm / 2 1/2"