Hex Key Boxed Sets Two L-shaped hexagon key sets supplied in a storage box Keys manufactured from 8650 chrome nickel alloy steel ANSI B18·3 & US FED SPEC GGG-K-275D standards RS PRO Hex Key Boxed Set From RS PRO, this boxed hex key set is a handy way to keep differing allen key sizes all in one place. The box has a robust steel construction, with individual compartments to store all 18 differing sizes of hex key, ensuring your tools are protected and stored neatly in a compact compartment. There is even a built-in foam cushioning to protect the key set from being damaged against the side of the storage box. The key set is corrosion resistant and are made from chrome-nickel alloy steel, for a long and dependable tool life. This convenient and versatile hex key set is ideal for on-the-go hex driver applications. Key Sizes • 0.028 in • 0.035 in • 0.05 in • 1/16 in • 1/2 in • 1/4 in • 1/8 in • 3/16 in • 3/32 in • 3/8 in • 5/16 in • 5/32 in • 5/64 in • 5/8 in • 7/32 in • 7/64 in • 9/16 in • 9/64 in Features and Benefits • 18x allen keys included • Tools conveniently stored in a compact and robust metal storage box • Imperial sizes for every-day applications • Keys manufactured from 8650 chrome nickel alloy steel • ANSI B18·3 & US FED SPEC GGG-K-275D standards Applications Often referred to as an allen key, the hex key is a driver designed for hex nuts and sockets, and are generally easier to turn and apply torque than more conventional screws. As such, they are ideal for when fasteners need to be adjusted or equipment needs to be dismantled. This extensive hex key set is perfect for a number of applications, wherever hex bits need to be tightened or loosened. From furniture assembly to bicycle maintenance, these imperial hex keys are ideal.