Aluminum construction tripod with crank column for exact positioning of the laser at the desired working height, function-oriented lift system enables air-cushioned lowering when the column lock is released, the laser is gently intercepted, can be used variably, tripod legs with spikes ensure a firm stand outdoors, rotatable hard rubber caps for scratch-free use indoors, quick-release fastener for quick alignment of the tripod even on uneven ground, detachable tripod head for safe, convenient setup, splay protection with high-quality chain, 58? threaded screw