Hand Lenses and Hardness Testing
Hardness Testing Kit
This hardness testing kit comprises of the following:
8x Points of durable metals / alloys of Mohs’ hardness 2 – 9
1x Streak plate
1x Glass Hardness Plate (5.5)
1x Hardness Plate (3.5)
1x Sharpening Stone
1x Magnet
1x Wooden Case
1x Hardness Tables & Instructions
