Home / Plumbing / Compression / Large F 1″ Brass Backnut Customer matched zone "UK" View basket “1/4″ Bsp Blank Nut” 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 15Mmx8Mm-3 Part Reduc Set £0.73 Add to basket 10Mm Copper Olives £0.11 Add to basket 28Mm Copper Olives £0.34 Add to basket 10Mmx8Mm 3 Part Reducing Set £0.39 Add to basket