The FGHD30 elevator tripod is a heavy duty with dual clamp design for add extra stability - both positive locking quick clamp and wing screw. Tall adjustable center column with height adjustment range up to 44" (112cm) and metal gear & rack system for smooth continuous motion. Double banded extension legs and large positive locking quick clamp for extra stability Precision machined aluminum head and leg hinges provides stable mounting base Die-cast aluminum shoe with hardened steel replaceable shoe points Powder coated castings for durability and wear-resistance Includes: heavy-duty poly-webbing shoulder strap