Ridgicoil is a coiled twinwall cable protection duct manufactured from polyethylene with excellent durability and flexibility, which eliminates the need for special bends. It can be used for trenchless applications and is supplied in coil lengths of 25m or 50m for reduced jointing. With a smooth bore, Ridgicoil Power has a low co-efficient off friction for ease of cable installation. It has a factory installed polypropylene twine and coupling and is available in sizes, 40mm, 50mm, 63mm, 75mm, 90mm, 110 and 160mm. Sizes 63mm and 110mm are Network Rail PADS approved.