Material Main Body: 304 - Stainless Steel Arm: Aluminum Rotor System Turnstile access barrier is provided by 90° controlled one-way opening arm. Lock System It consists of a mechanical lock on the handle and a manually controlled door module. Motion Control is powered by thrust. It is opened by pushing it by hand, the transition is provided, the arm is closed by coming back to its place thanks to the spring system. Protection All parts inside the turnstile are made of corrosion-resistant products. Middle Plate Optionally, the middle plate inside the arm can be closed with materials such as glass, plexiglass, decota, etc.