ITEM NAME:Universal Stainless Steel O2 Oxygen Sensor Bung Adapter Extension Extender #gib Store Home Promotion Hot Item Add to Fav.1 x Oxygen Sensor Bung Adapter. Made of stainless steel, it is highly resistant to corrosion and oxidation. Material: stainless steel. Applicable models: universal. Product size: 46.5 x 16.9 mm/1.83 x 0.67".