AN & NPT fittings Home / Fuel & Oil / AN & NPT fittings / Nut and Sleeve for -6 lines Nut and Sleeve for -6 lines Nut and Sleeve for -6 lines £3.50 £2.92 (ex. VAT) Stock Status: In Stock Add to your Wish List Information Reviews These aluminium nuts and sleeves should be slid onto your aluminium lines BEFORE you flare your tube.... Customer reviews No reviews left yet Write a review Most RecentTop Rated No reviews have been left for this product, be the first to leave a review