This comprehensive kit includes a variety of A2 stainless steel UNF bolts, washers, and nuts, offering excellent durability, corrosion resistance, and a sleek finish. Here’s what’s inside: Hex Bolts: 10x UNF 1/4 x 1/2, 10x UNF 1/4 x 3/4, 10x UNF 1/4 x 1, 10x UNF 1/4 x 2, 10x UNF 5/16 x 1/2, 10x UNF 5/16 x 3/4, 10x UNF 5/16 x 1, 10x UNF 5/16 x 2, 10x UNF 3/8 x 1/2, 10x UNF 3/8 x 3/4, 10x UNF 3/8 x 1, 10x UNF 3/8 x 2; Washers: 50x UNF 1/4 Flat Washers, 50x UNF 1/4 Spring Washers, 50x UNF 5/16 Flat Washers, 50x UNF 5/16 Spring Washers, 50x UNF 3/8 Flat Washers, 50x UNF 3/8 Spring Washers; Nuts: 40x UNF 1/4 Hexagon Full Nuts, 40x UNF 1/4 Nyloc Nuts, 40x UNF 5/16 Hexagon Full Nuts, 40x UNF 5/16 Nyloc Nuts, 40x UNF 3/8 Hexagon Full Nuts, 40x UNF 3/8 Nyloc Nuts. Perfect for classic car restoration or general mechanical projects, this kit provides all the fasteners you need in a convenient, well-organized package. Whether you’re working on a classic car or other UNF-threaded applications, this A2 stainless steel assortment has you covered!