The ProX XT-CRANK14FT-220 Truss Heavy Duty Crank Stands are an integral part of the Truss SQ System for temporarily mounting lights for small to medium-sized DJ lighting at any event. It has Integrated casters, independently adjustable leg braces, and nylon guided leg sliders, which can all be used in conjunction with another same-rated stand, & trusses and T-Adapters (sold separately).