 Valve wedge cover - AKWAKeys and coversValve wedge coverLengthening of the valve wedge mandrel and the NWZ and NWZPE spotting drills and NCS.INERTOL BS10 bituminous coating or With EP paint application 250 μm thick.Obudowa zasuwy i nawiertki NWZ- 5200,5400PDF, 643 KBObudowy sztywne do zasuwPDF, 83 KB 