Speed gate bi-directional,steady,durable,silent traffic security access control shock-absorber tripod turnstile gate Speed gateBridge Tripod turnstile GateKeywords: turnstile, tripod turnstile, security turnstile, safety turnstile, turnstile gate, access control turnstile, access control gate, access gate,Entance turnstile, Entrance gate, wing barrier, swing barrier, flap barrier, security wing ...