Hardness Scales

Diamond pen in ballpoint look

For marking glassware. Diamond tip embedded in metal tube, with ballpoint pen mount.

€35.00

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Diamond pen with wooden grip

Diamond pen with wooden gripFor writing on glassware. Diamond tip embedded in metal tube, with wooden handle, approx. 120 mm long.

€43.50

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Hardness Scale, big

Hardness 1-10; the diamond is mounted in a metal rod.A magnet, knife, file, and a white streak plate are included for further testing. Incl. manual.Stored in a wooden box, measurement 23 x 13 x 6 cm.Size of the specimen approx. 3 x 4cm

€60.00

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Hardness Scale, medium

Standard Hardness Set.Nine large specimen and streak plate in compartmented wooden collection box 18,5 x 11,5 x 5,5 cm with explanatory key list.Size of the specimen approx. 2,5 x 3 cm.

€40.00

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Hardness Scale, small

Small Hardness Scale with 9 specimen representing 9 degrees of hardness, numbered and with streak plate in compartmented plastic collection box 22 x 7,5 x 3 cm with explanatory key list.Size of the specimen approx. 2 x 2 cm.

€29.50

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Pocket hardness scale (5-9)

Six conically ground mineral points, set 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. Supplied in black leather case with explanations.

€39.00

Prices incl. VAT plus shipping costs

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.

€49.00

Prices incl. VAT plus shipping costs