Home / Plumbing / Compression / Large F 1″ Brass Backnut Customer matched zone "UK" View basket “15Mm Str Lockshield Valve Cp” has been added to your basket. Large F 1″ Brass Backnut£0.07 This product is available for pickup in Orpington. Large F 1" Brass Backnut quantity Delivery Store Collection SKU: 35310WC01 Category: Compression Product ID: 6940 Reviews Related products 3/8″ Brass Blank Nut £0.51 Add to basket Sale! 20Mm X 15Mm Poly Shank Adaptor £7.96 £5.99 Add to basket 8Mm Copper Olives £0.15 Add to basket 10Mmx8Mm 3 Part Reducing Set £0.39 Add to basket