Mechanical device used to automatically close doors after opening

Ensures controlled and smooth closing to prevent slamming

Adjustable closing speed, latching speed, and backcheck (on most models)

Suitable for fire doors, security doors, and general access doors

Surface-mounted or concealed installation options

Made from metal alloys (aluminum/steel) for durability

Compatible with wooden, metal, or glass doors

Helps maintain security, privacy, and energy efficiency

Available in standard, heavy-duty, and slim designs