Home / Plumbing / Compression / Large F 1″ Brass Backnut Customer matched zone "UK" View basket “15Mmx10Mm-3 Part Reduc Set” 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 Sale! 25Mm X 15Mm Poly Shank Adaptor £9.74 Original price was: £9.74.£7.99Current price is: £7.99. Add to basket 3/4″ Cp Blank Nut £0.96 Add to basket 1/2″/15Mm Cp Blank Nut £0.57 Add to basket 15Mmx12Mm 3 Part Reducing Set £0.51 Add to basket