wiha elektriciensduimstok longlife 2mThe universally applicable Longlife electrician's ruler is a handy tool for electricians to work quickly and efficiently. With an integrated clamping function for cables from 3 to 7 mm and a scale for up to three flush mounted boxes, this ruler is flexible, durable, and precise. Integrated holding function for cables from 3 to 7 mm Scale division for up to 3 flush mounted boxes Orange color for easy identification on the construction site Flexible,