We specialized supply Square Twisted Nails: Square Twisted Nails: 30x3.75mm,40x2.36,50x2.65,50x3.00,65x3.35,and so on, bright,sheradised,electro galvanized,mechanical galvanized, passivated,color passivated,blued, and we can produce the nails upon your demand. 1.25kg bag 2.5kg bag 25kg box . We will offer you products with top quality and competitive prices, welcome your specific inquiry.