Draper tripod for class 2 laser level stock no 64090 draper 88640 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 laser projects a horizontal vertical or cross beam lines on surfaces accuracy 0 5mm per 1m within the operating distance of 3 8m self levelling range 177 6 176 supplied complete with heavy duty adjustable tripod max height 1 18m rotati