Tender For supply of rescue tripod with winch , rescue rope 50 m , single pulley , double pulley , ascender for rescue , descender for rescue , rope grab fall arrestor , alloy steel screw lock , padded full body harness tower , anchorage webbing round sling , arm strap with d at one end and , wire rope anchorage strap , evacuation triangle , energy absorbing lanyard , swivel snap hook , sked stretcher