Roller blind system SRT FREE belongs to the family of the simplest and also the most commonly used means of shading. It is a shutter box free solution, designed to be directly installed on the window wing. Due to the specially designed non-invasive handles, installation of the system is extremely simple and does not require much effort. A characteristic feature of the roller blind in the FREE system is a line – guidance which, in contrast to this type of products available on the market is placed under the fabric. This aesthetic procedure allows to secure the line against catching while opening the window, which could cause its damage. The SRT FREE system features an innovative solution of line tensioning in the selflocking system. Durable and reliable design of this element allows for easy installation on a window wing. Self-locking mechanism with chain, used in the system allows to stop the shutter at any height. Its installation or possible replacement is very fast and simple. An option with “day&night” fabrics (SRT FREE D&N), which enables adjustment of the incoming light to complete darkness.