Stainless Steel Stone Gauge Keyring. J2257
- Lightweight polished stainless steel stone gauge keyring for measuring diamonds and other precious stones.
- Perfect for taking with you to shows or workshops.
- The 30cm diameter keyring holds six panels which are engraved with the carat sizes.
- Sizes of gauge:
- Panel 1: 0.01, 0.02, 0.03, 0.05, 0.1
- Panel 2: 0.15, 0.2, 0.25, 0.35, 0.5
- Panel 3: 0.75, 1, 1.25, 1.5
- Panel 4: 1.75, 2, 2.5
- Panel 5: 3, 3.5, 4
- Panel 6: 4.5, 5.
- Panel sizes are 40cm x 40cm at the longest points.