- 9-piece set of hex keys (aka Allen wrenches) for tightening or loosening screws
- Ideal for working on bicycles, motorcycles, vehicles, furniture, machinery, and more
- Made of durable chrome vanadium steel for rugged strength and rust resistance
- Includes hinged case complete with dedicated slots for secure storage and clear size markings for quick, easy access
- Sizes: 1.5mm 2mm 2.5mm 3mm 4mm 5mm 6mm 8mm 10mm
In addition to the precision sizes mentioned above, the common metric Allen wrench sizes are 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, & 10 mm. Of these sizes, some of the more popular ones are 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, & 10 mm.