... . Stainless steel, PVC, aluminium & mild steel tubes. Stamping type, semi precision, precision sealed & stainless steel bearings. Female threaded, male threaded & spring loaded axles. Low ... . Stainless steel, PVC, aluminium & mild steel tubes. Stamping type, semi precision, precision sealed & stainless steel bearings. Female threaded, male threaded & spring loaded axles. Product ...