HARDNESS PENCILS X8 (MOE 2 TO 9) + PLATES X3 Magnification_Multi magnification but it will not give

but it will not give a "guaranteed" answer

I don't do surgical operations

- brightest for: 40mns (20 minutes at its very brightest then 20 minutes not quite so bright)

Field of view: the main lens (1

HARDNESS PENCILS X8 (MOE 2 TO 9) + PLATES X3 Magnification_Multi magnification but it will not giveSummary Set of ten hardness testers. 8 hardness picks ("pencils") from No. 2 to No. 9. 1 Glass plate (hardness 5. 5) 1 Brass plate (hardness 3. 5) Also 1 streak plate (to test a mineral's streak colour) 1 magnet 1 polishing stone to keep the tips sharp Each 'pencil' has a tip of a different hardness from No. 5 to No. 9 on the Moe scale of hardness (see 'Further Information'). Is it easy to use? Yes. See which will scratch your sample and which will