Rack & pinion mechanism for smooth and reliable door closing. Adjustable closing force (EN 3-6) to suit various door weights and sizes. Suitable for medium to heavy doors, offering enhanced versatility. Overhead mounting with a robust scissor arm for secure installation. Durable construction designed for long service life and frequent use. Hold open function available for convenient door usage. Silver finish for a modern and professional appearance. Tested for high cycle performance, ensuring reliability in high-traffic areas