Main Features Extends and retracts automatically Heavy Duty cast aluminium housing Internal energy absorption system, in case of a fall, reduces forces to under 6kN, with fall height of under 2 meters. Available in 3 lengths 6m, 12m and 30m 5mm diameter galvanised or stainless steel cable Individual serially numbered, for quality control purposes Double action swivel connector, opening 18mm Fall indicator in to body of the device Reserve lifeline system Technical Specification Cast aluminium housing. Internal energy absorption system limits forces generated in a fall to 12KN