Made by carbon fiber and designed to GPS surveyors. 

Item number: LEWGPL25A

Features:

• TLV locks with 20-minute vials 
• Metric Graduations (cm)
• Including all features needed in a single rod, ideal for kinematic surveys
• Zero height (0 H.T.)
• The included pin can lock the length of the rod at 1.8m, 2m,2.2m
• Length 4.48ft-8.14ft (1.4 m-2.5 m)
• Weights 2.27lb (1.03kg)