Exhaust Lambda M18 x 1.5 Block Bolt Boss Nut Stainless Steel Oxygen Sensor
304 Stainless Steel M18. Size: M18 X 1.5mm. Boss Nut Block Bolt. 304 Stainless Steel Boss Nut Block Bolt. Type: Weldin Boss. Material: 304 Stainless Steel. What you see is the real deal. Set includes.