Three Rollers Barrier also called(Three Arms Turnstiles,Tripod Door,Waist Height Gates) RS 218-2 the full body made of 304#stainless steel;Tripod Torniquetes RS 218-2 consist of electric circuit,Three Bars,hydraulic damper,mechanism,electromagnetic，led lamp and so on;Tripod Barriere RS 218-2 with standard fire interface,arm can drop down for evacuation even powerTripod Tourniquet RS 218-2 anti-passback,when arm rotates 60 degree,people can not reverse back;Tripod Barrera RS 218-2 the 3 arms can rotate in one or two directions,controlled by an push button or access control at a reception desk.low noise and wear resistance,with hydraulic shock absorption structure