Contractor Top-Read Aluminum Level, 3 Vials, 48-In. Power Tools Your choice of notch shape

Your choice of notch shape

The combined 2-in-1 Temperature & Pressure relief valve provides the least expensive and proven means for protection against both excessive temperature and pressure emergency conditions

Designed For Applications With Wide Mounting Surfaces

Easy installation (drill and pop in)

4 geartray tethers

Contractor Top-Read Aluminum Level, 3 Vials, 48-In. Power Tools Your choice of notch shapeJohnson's 3700 I beam level was designed to be durable and easy to use so much so that it has been the standard in the industry for over 30 years. Its heavy duty aluminum frame ensures accuracy and is durable enough to withstand even the roughest jobsite abuse, and that frame is protected by shock absorbing end caps if the level is accidentally dropped. The level also comes equipped with replaceable, durable acrylic vials that are impact resistant