This is the Bondhus Gorilla Grip 12-Piecc Foldup Inch/Metric Hex Wrench Set.  These are very high-quality, and this set helps keep a good set of allen wrenches with you when needed.  These come with a Lifetime Warranty from the manufacturer.

Wrenches Included:

Inch Sizes:   5/64, 3/32, 7/64, 1/8, 9/64, 5/32
Metric Sizes: 5, 4, 3, 2.5, 2, 1.5

Features:

• Maximum strength Protanium Steel construction: High Torque Steel that's 25% stronger than the competition
• Corrosion resistant black Proguard finish creates crystalline structure that doesn't allow water to penetrate
• Precision tip eliminates cut off burr problems
• The rotation feature: 90 degree stop feature converts the tool into a non-stop, time-saving spin wrench
• Space age composite handle "stronger than steel"
• Lightweight ergonomic design handle is not temperature sensitive when working in extreme hot and cold conditions with bare hands
• Turn & Flip feature: means not having to disengage the tool from the fastener when working up against walls or other obstructions
• Tool isolating flutes and adjustable key tension
• Bondhus' lifetime warranty