The Multi-Use Allen Wrench is a toolbox must-have! This convenient pack of handy tools includes one 8-piece set of hex keys and one folding hey key set in a variety of sizes. Use these tools to put together furniture, bed frames, and other small projects. Hex key sizes include.16cm x 2, 0.20cm x 2, .32cm x 2, 3/4/.40cm x 3, .48cm x 2, 1/2/.56cm x 1, and 1/4/.64cm x 2. Great to keep on hand to tighten and maintain furniture. This garage essential comes packaged inside a hanging clamshell package.