The Jamec Pem Assortment Kits include a wide variety of the most popular sizes designed for the automotive, hardware, marine and industrial markets, all conveniently packaged in larger Master or Trade Packs.

180 Piece Nylon Self Locking Nuts Assortment Set includes 10 sizes

Contents:
20 – 1/4″ UNF
20 – 5/16″ UNF
20 – 3/8″ UNF
15 – 7/16″ UNF
20 – M4
20 – M5
20 – M6
20 – M8
15 – M10
10 – M12