| 〈 |
Made of SK
material of J.I.S. specification. |
| 〈 |
Hardened by
heat treatment and precision ground. |
| 〈 |
Squareness
and parallelism are ensured to be within ∮0.005mm. |
| 〈 |
It can be
used and kept its high precision while standing on its
base, sides orextremity, for inspection use in stead of
squares due to its extremely accuracy. |
|
|