Usage Tips:Description: 【Save Space】The telescopic barrier sticks to the metal surface. Very suitable for temporary and long term use. 【Wall Mounted】Wall Mounted Barrier Come with some accessories,inserts to mount on both sides of the wall. Easy to install and easy to use. 【Retractable Length】There is a pull strap inside the retractor, which can be freely retracted.The pull buckle has an automatic locking function to prevent it from falling off. 【Easy to Assemble】Fixed Wall Mounted Belt Barriers,No hardware or tools need to be install Great for Indoor or Outdoor Use. Perfect for stadiums, public sporting events, parades, restaurants, and festivals. 【Widely Used】Crowd Control Wall Barrier is suitable for Cash register,shop,warehouse aisle, corridor, door and elevator. The compact design of the unit does not hinder space. Size Chart: 2m, 300cm Shell: 14cmx7.5cmx7.5cm/5.51inchx2.95inchx2.95inch Installation hole distance: 13.5cmx4cm/5.31inchx1.57inch 5m retractor:14cmx9cmx9cm/5.51inchx3.54inchx3.54inch Installation hole distance: 13.5cmx5cm/5.31inchx1.97inch Package Includes: 1 Wall Mount Retractable Belt Note: Please allow slightly errors due to manual measurement and different monitors.