HD40B-1 Elevator tripod for theodolite land survey

Elevator tripod / protective cover . Elevator tripod/1. Two section elevor column design ,one section with worm gear and shaft to adjust up and down ,another section can be pull out to reach maximum height with quick clamp systemChains between legs to prevent legs form slindingClosed length:128cm opened length:330cm (including60cm for centralcolumn).Weight:7.3kg.(±1kg) A simple adjustment of the quick-releasing telescopic legs allows you to choose the height best suited to the job. Rugged, hardened-steel pointed shoes provide maximum stability on any terrain. Choose the Flat Head to accommodate any high-accuracy optical instrument. the Dome Head is a real time saver. Leveling screws need minimal adjustment--just set up and sight--it's that easy!