Easy installation in seconds. you don't need any tools to assemble the universal blind roller easyblind and it always fits. simple, fast, not complicated! - refractory, certified and patented universal blind cylinder - suitable for all doors that must not be closed - approved for use in fire protection / smoke protection doors (mpa 120004648) - tool-free installation in under 3 seconds - cheapest overall solution on the market - simple attachment mechanism - profile cylinder with hole optimal cover of doors - suitable for all door thicknesses - zinc die-casting with nickel-plated or black lacquered surface - noble design without logo - delivery within 24 hours nationwide Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.