Safety Harnesses and work positioning belts to cover all aspects of Safety when working at Heights where a fall could result in injury. APPROVED TO BS EN 358 The Seco Restraint Belt is manufactured for easy fitment by means of a two part quick release adapter buckle. The belt comes complete with a 1.75 metre webbing lanyard and attachment hook. Restraint Belts are for restraint use only They are not intended for use where a possible fall may occur.