The Johnson Level 1705 level is made of an aluminum box beam frame for durability and has precision milled edge to assure frame accuracy. It's solid block acrylic vials won't fog, leak or break.

Transcribed Video: 
The Johnson Level 1705 Series are a homeowner designed box level. A rectangular frame gives the user four points of strength and solid block acrylic vials are able to withstand the impact of almost any job site application. These levels are equipped with hand grips that make carrying the tool very easy. End caps are there to help protect from incidental damage made to the level.