Surveying Staves

Surveying Staves
Aluminum Staves For Surveying.Matieral: AluminumExpanding Lengh: 2m/3m/4m/5mNumber Of Section: 2/3/4/5or4Front Side Graduation: 5mmBack Side Graduation: E; E+1mm; 1/10 Or 1/8; Double 1mm;
Surveying Staves product offered by Shanghai Deruite Instruments Co., Ltd.