The Concealed Double Chain Numatic Door Closer in Satin finish offers smooth, discreet door control for residential and commercial applications. Designed with adjustable tension, it suits doors weighing up to 80kg. The closer features adjustable closing and latching speeds to ensure controlled, quiet operation and prevent slamming. Tested to an impressive 500,000 cycle frequency, it delivers long-lasting performance and reliability while maintaining a clean, concealed appearance within the door.