Possibilities of use:
1. closed as horizontal and vertical spirit level
2. as slope measuring device, all slopes could be set or read in percent, the value indicated refers to 1 m
3. as measuring device for slope relation, each slope from relation 1:1 to the flattest slope can be set each relation.
4. as inclination measuring device, horizontal and verti- cal inclinations can be set in percent immediately
5. angle for each acute and obtuse angle
6. as spirit level for setting channels and tubes
Length of the moveable part of all dimensions: 19,5 cm