With worm gear and shaft structure to adjust up and down. The elevator column with protective cover is waterproof and dustproof. Has a circular bubble on the flat head. Has removable chains to prevent legs from sliding. Quick release clamp for option.
 
Closed length: 132cm, opened length: 227cm(include 32 cm for central column).
Adjustable range of central column: 32cm.
Size of tripod head: 13.4cm.
5/8'' thread.
Net weight: 7kg.