With enamelled frame and tungsten carbide tipped anvils and fine adjustment ratchet. Supplied in plastic fitted bench case.

Contents:
- 5500K
0 - 25mm, 25 - 50mm,
50 - 75mm and 75 - 100mm external micrometers,
25mm, 50mm and 75mm micrometer setting standards,
two micrometer setting spanners.

- 6600K
0 - 1", 1 - 2", 2 - 3" and 3 - 4" external micrometers,
1", 2" and 3" micrometer setting standards,
two micrometer setting spanners.