The Flexi Rod with a mm-scale on the front side comes with a bubble for highly accurate levelling tasks. It is very light and with the handy clamp for the slide adaptor, changes in height are easily done.
The Geomax Rod5n Aluminum Leveling Staff 5 Mt (Without Bubble) helps construction professionals achieve leveling and measuring accuracy. Constructed of strong, lightweight aluminum, it features adjustable sections supported by reinforcing ribs to maximize stability. This Geomax telescopic leveling staff has a maximum extension of 5 meters.