Hex keys are simple, small and easy to use! Great for end-user assembly and toolbox must-have. This deluxe pack comes with 10 hex keys on 2 separate loops. Sizes include: 1/6", 5/64", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16" and 3/8". Set comes packaged on a blister card with hanging hole.