Description
| Issoku : | Air Micrometer |
| Issoku : | Thread Plug Gauge |
| Issoku : | Thread Ring Gauge |
| Issoku : | Taper Thread Plug Gauge |
| Issoku : | Taper Thread Ring Gauge |
| Issoku : | Spline Gauge |
| Issoku : | Taper Gauge |
| Issoku : | Plain Plug Gauge |
| Issoku : | Plain Ring Gauge |
