SPEEDLITE LEVEL SQUARE Frames entire roof using one number Diamond cutout is handy for seat cuts Provides a quick reference to 2 x 4" width Full 0 to 90 degree scale for measuring angles Handy saw guide for cutting angles Serrated edge makes scribing lines easy With framing, try, miter & protractor squares Strong aluminum alloy- 3/16" thick T0811 7 IN. SPEEDLITE LEV SQUARE SIZE:7 x 7"