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 & revolving angle finder. Accuracy 0.5 mm. per 1 m. = 0.029 degrees in standard position. Supplied with heavy-duty adjustable tripod (maximum height 1.18 m.), rotating base marked 360 degrees for mounting level, laser enhancement glasses, two brass 90 degrees line generating glass prisms & two AAA batteries. Supplied with manual. Packed in blow-mould carrying case with display sleeve. All Draper tools are manufactured to high quality standards that are strictly controlled by our quality control engineers. They offer good value for your money & a number of useful features to improve the performance of the product. All Draper products come backed by the Draper Tools guarantee.