Easy-to-read high-visibility bubbles at 4 angles: level, 90, 45, and 30 degrees Verti.site view enables easy readability from multiple angles: front,back or top Aluminum body construction with anodized grit blasting for durability and strength Thumb screw attaches level to conduit to measure angle while bending Magnets provides superior holding strength, secures the torpedo level to the metal surface This WORKPRO torpedo level is constructed from aluminum alloy for durability. Portable design with hanger hole for easy storage and carry. Accurate measurement: front 0.75MM/M, back:1MM/M. The torpedo features verti.site double view,which enables easy readability from multiple angles: front,back or top; easy-to-read high-visibility bubbles at 4 angles: level, 90, 45, and 30 degrees and strong magnets.