Stanley 42-480 I-Beam Level, 48 in L, 3-Vial, 2-Hang Hole, Non-Magnetic, Aluminum, Yellow

The 48 in 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-deg 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.