Home / Plumbing / Compression / Large F 1″ Brass Backnut 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 Sale! 22Mmx15Mm-3 Part Reduc Set £1.01 £0.99 Add to basket 1/2″/15Mm Cp Blank Nut £0.57 Add to basket 1/4″ Bsp Blank Nut £0.32 Add to basket 3/4″ Copper Olive £0.37 Add to basket