Professionally weld boss to suit bosch sensor Super tight fit to ensure ultimate seal around the sensor M6 threaded hole to secure sensor to the boss Professional beading to ensure your rubber hosing doesn't slip off Listing is for a 120mm x 63mm aluminium boss only Beading is supplied as standard NO SENSOR SUPPLIED - For demonstration purpose only Fast & Free postage to UK mainland Please be aware you will be liable for postage costs if you order this without checking the sizes will fit your vehicle before purchase, If unsure please contact us before ordering so we can assist you in getting the correct product first time Get in touch if you require any other tube diameters or lengths