The model 327 patented 880 Gen II Laser torpedo level is the next generation from Checkpoint for the professional trades featuring a more powerful laser, a new enhanced ergonomic designand front tapped aperture wich allows use of Checkpoint's specialized lenses and other accessories The new high powered laser beam system is accurate 1/4" (.250) at 100' and is 3-dimensionally aligned from all planes of refernce - a calibration feature unique to the Checkpoint series of professional laser levels It features an auto 45-degree angle at one end for a quick referncing, a perpendicular tie-in centering notch, a tripod mount and a 4-vial (45 min/arc) system including 45°,90°,0° and 30° references wich can be used from any side or all three sides simultaneously for more sensitive flat surface calibration The 880 Gen II is aircraft anodized with permanent laser engraved graphics, has a lifetime guarantee on it's CNC 6061-t6 fully machined aluminum body, the professional standard