Adapter Kit Dadg-Ak-90-1G18 Rotating Poppet Valve, For Rotary Indexing Table Dhtg. Size=90, Assembly Position=Any, Corrosion Resistance Classification Crc=2 – Moderate Corrosion Stress, Product Weight=45 G, Materials Note=(* Free Of Copper And Ptfe, * Conforms To Rohs)