This entrance swing gate features a rotating sleeve and column with hydraulic rotating sleeve technology, allowing for fine-tuned rebound speed. It includes ball bearings for more stable performance and delivers a soft rebound force. Constructed from thick stainless steel, this spring-loaded safety swing gate combines durability with a sleek polished silver finish, offering a smooth surface that is stylish and resistant to bending or damage. Available in sizes ranging from 100cm/39.4in to 200cm/78.7in, it is designed for drilling installation. Ideal for use in supermarkets, factory passages, park passages, school canteens, parking lots, office buildings, and other crowded places. The package includes one one-way revolving door body. To use, push the door open by hand when entering; it will automatically rebound and close after passage. If the swing arm is too long, it can be cut short for customization. Please note slight color variations may occur due to lighting, and there is a 1-3cm measurement tolerance.