Designed for use where a constant level or repeat level measurements are required. Applications include alignment of windows, dado rails, kitchen units, stairs, outdoor levelling etc. One horizontal vial and revolving angle finder. Accuracy 0.5mm per 1M = 0.029° in standard position. Supplied complete with heavy duty adjustable tripod (max. height 1.18M), rotating base marked 360° for mounting level, laser enhancement glasses, two brass 90° line generating glass prisms and two AAA batteries. Supplied with manual. Packed in blow mould carrying case with display sleeve.