1.Available for :total station ,GPS,theodolite. 2.Material: wooden,best quality 3.More than 10 years experience. Head size:158mmExtended length:1700mmRetracted length:1070mmCenter screw:5/8"Weight:7.2kgPacking:23x23x116cmMaterial:woodenLock:bottom screw.Whole tripod series as follows: ModelMaterialExtended LengthRetracted LenthThread Lock TypeHead SizeWeightPackage SizeJ-1AAluminium170010705/8" ...