M18X1.5 O2 Oxygen Sensor Stepped Mounting Bung and Plugs (1 Bungs/1 Plugs)

Note: If the surface of the screw you received is a little dirty, please understand that it does not affect the use， it's the protective oils

Specification:

Material:

Bung：304 stainless steel

Plug:plated mild steel with zinc plating

Color: Silver (As shown in the picture)