• Heavy-duty box aluminum frame
• Machined working edges ensure maximum accuracy
• Anti-slip and anti-shock end caps protect the frame
• Top read window simplifies readability
• Accuracy: 0.0005"/in. (0.5 mm/m)
| Part No | Size | Inner | Outer |
| 4131 | 600mm | 5 | 30 |
| 4132 | 800mm | 5 | 30 |
| 4133 | 1000mm | 5 | 20 |
| 4134 | 1200mm | 5 | 20 |
| 4135 | 1500mm | 5 | 15 |
| 4136 | 2000mm | 5 | 10 |