Metal Locking Nut, for use on BSA models: A65, A50, B25, C25, B50 & B175 Bantam.O.E.M: 14-0401.Supplied: Set of 10Set Of 10 1/4" UNF Metal Locking Nut(1), 14-0401. 04168SKU: 14-0401£7.50PriceQuantity*Add to Cart