The Allen 7-Key Metric Hex Key Fold-up Set are made by Allen the original manufacture of hex keys. The keys are precision formed to exact dimensional tolerances of a precise fit. All hex keys are heat treated to provide strength and resistance to rotational distortion.
- Opens to 270° for better torque and access
- Made of high strength alloy steel
- Dual material case color coded case
- Set includes: 1.5, 2, 2.5, 3, 4, 5, 6 mm