Durable aluminum construction with extendable legs, Adjustment range 3 ft. 3in. to 5 ft. 3 in. (nominal length), Quick connection for lasers with 5/8" - 11 threads, Quick clamp lock offers quick and secure clamping, Feet have sharp metal points for use on uneven outdoor terrain and removable rubber covers for use indoors, Safety chains prevent legs from accidental collapse, Carrying strap included