Castor 320376 is an intermediate joint sleeve for 28 mm cable protection conduit, formed with a recessed rebate for a seamless transition between conduit sections. The sleeve is fabricated in Magnelis C5 steel for high corrosion resistance in outdoor and industrial installations. Grey oval profile, UV resistant, manufactured in Sweden, supplied in cartons of 192. Typical applications include cable protection runs on facades, outdoor mounting rails, and industrial sites where riser conduit must be joined without exposed fasteners.