The Johnson 1415-1200 is a 12-Inch Big J Torpedo Level. Features: * Powerful GripTight® V-Groove rare earth magnets hold to flat or round ferrous metal surfaces * Oversized solid aluminum frame is Job Site Tough * Oversized 1/2" diameter vials are easy read * Top-read windows for easy viewing * SurroundView® vial system for enhanced readability * 4 vials read plumb, level, Multi-Pitch® and 45°Multi-Pitch® center vial reads slope in 1/8" increments What"s In the Box: * Johnson 1415-1200 12-Inch Big J Torpedo Level