This Fall arrest block comprises of a retractable lifeline made of wire rope which is stored on a reel, within a protective housing. The reel is spring-based to wind the retractable lifeline in and incorporates an inertia brake mechanism, which allows the lifeline to be slowly extracted and automatically retracted to accommodate the users body movements. It also comprises of a swivel snap hook with a double safety lock and fall indicator.Certifications EN 360 EN 362 A Material Composition Materials: Steel Rope,ABS Plastic Shell,Alloy Steel, Heat Treated,PVC We deliver Portwest FP42 6M Retractable Fall Arrest Block worldwide.We specialise in shipping almost anywhere in the world securely at competitive prices - across UK, US, Canada, Ireland, New Zealand, Europe - securely and fast at competitive prices