The 48″ aluminum I-beam level is durable and accurate. Its heavy-duty aluminum I-beam construction provides rigidity and accuracy of 0.0015 in./in. With 360 vials, pipe groove for use on rounded surfaces and shock-absorbing end caps for heavy-duty use, this tool is built for accuracy, ease of use and durability.

Additional Features
Pipe groove enables use on rounded surfaces
Shock-absorbing end caps hold up to heavy use
Heavy-duty aluminum I-beam construction provides rigidity and accuracy
Level accuracy of 0.0015 in./in. (0.15mm/m)
360 vials set directly into frame never need adjustment