320 Piece Steel Nut Assortment - 1/4" to 1/2" UNF - Partitioned Storage Box Overview: Assortment box of 320 Imperial - UNF steel nuts. Manufactured to DIN 934. Features: Steel nut assortment, manufactured to DIN 934. Contents (Approximate Quantity): 1/4"UNF (x120), 5/16"UNF (x120), 3/8"UNF (x50), 1/2"UNF (x30). Supplied in partitioned box. Specification: Contents - (Approximate Quantity) 1/4"UNF (x120), 5/16"UNF (x120), 3/8"UNF (x50), 1/2"UNF (x30) Net Weight - 1.69kg Further Information: We sell a wide variety of tools & workshop equipment for both the DIY and Professional markets. With well over 10,000 lines of equipment suiting all jobs big or small, our online store has it all. If you can’t quite find what you are looking for, please feel free to contact us and we’ll be more than happy to help. Alias: ys00347