Technical Data
These levels have ground and graduated main vials
The base of the levels features an involute groove running the length of the base, which provides a reliable seat for round work
These vials are adjustable to a positive setting and are housed in a satin finished brass tube with a friction-fit closing cover to prevent breakage
| Level Type | Machinists |
| Length (Inch) | 4 |
| Graduation Sensitivity Per 12 Inches | 0.0050 in |
| Base Flatness (Inch) | 1/64 |
| Overall Length | 101.6 mm, 4 in |
| Material | Cast Iron |
| Number Of Horizontal Vials | 2 |
| Features | Ground & Graduated Main Vials |
| Width (Inch) | 7/8 |
| Height (Inch) | 1-3/16 |
| Length | 101.60 |
| Catalog Number | 98-4 |
| Level Type | Machinists |
| Length (Inch) | 4-7/8 |
| Graduation Sensitivity Per 12 Inches | 0.0050 in |
| Overall Length | 152.4 mm, 6 in |
| Material | Cast Iron |
| Number Of Horizontal Vials | 2 |
| Features | Ground & Graduated Main Vials |
| Width (Inch) | 1-3/32 |
| Catalog Number | 98-6 |
