Indexing Conversion Kit Dadm-Ck-90-24 For Rotary Indexing Table Dhtg. Size=90, Corrosion Resistance Classification Crc= (* 2 - Moderate Corrosion Stress, * (When Installed)), Materials Note= (* Free Of Copper And Ptfe, * Conforms To Rohs) , Material Plate=Steel, Material Screws=Steel, Festo