EDA Inspection Square Block Spirit Levels
Features:
- Checks the accuracy of vertical and horizontal surfaces.
- Maximum clarity of the bubbles.
- Heat insulating top plate with glass.
- Stabilized cast iron base with hardened surfaces.
- (2) Sides with flat bearing surfaces and (2) sides with flat plus vee bearing surfaces; width of 1-9/16".
- Furnished in fitted case.
- Made in France.
| Product # | Size | Sensitivity per 10" | Bearing Flatness |
| ISB-609 | 8" x 8" | 0.0005" or 10 Sec | 0.0002" |
| ISB-611 | 8" x 8" | 0.0002" or 4 Sec | 0.0001" |
| ISB-613 | 12" x 12" | 0.0005" or 10 Sec | 0.0002" |
| ISB-615 | 12" x 12" | 0.0002" or 4 Sec | 0.0001" |
