WBN-8/10 SWIVEL MTG 8 & 10MM ?

Swivel Mounting Wbn-8/10 For Cylinders Egz, Egn, Dsn, Esnu, Dsnu. Size=8/10, Corrosion Resistance Classification Crc=1 - Low Corrosion Stress, Ambient Temperature=-40 - 150 °C, Product Weight=20 G, Materials Note=(* Free Of Copper And Ptfe, * Conforms To Rohs), Festo