STABILA's Type 80A-2 Measuring Stick Level. Installation spirit level with measuring scales marked for the rapid transfer of installation points. Removable end caps with anti-slip wall grips. Three measurement scales in both inch and metric. Straight edge for better markings. Slope indicator rings for level, 1/8" and 1/4" slope per foot. Double bridged frame fro increased strength as well as providing an uninterrupted surface for both drawing and scribing over the horizontal vial. Fast and accurate installations. One Horizontal (level) and two vertical (plumb) vials. Vials are guaranteed for life.