Contractor Top-Read Aluminum Level, 3 Vials, 48-In. Alpha Metals Features 6 grounded outlets and

Features 6 grounded outlets and slide protective cover on each outlet

Our longest-lasting size 10 hearing aid batteries ever

can be used on concrete roofs

Sturdy design gives years of trouble free service

This bulb has a 3

Contractor Top-Read Aluminum Level, 3 Vials, 48-In. Alpha Metals Features 6 grounded outlets andJohnson'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