The Allen Long Arm Metric Ball-Plus Hex Key Set (9-Piece) is 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.
- Ball-plus keys permit and entry angle up to 25-degrees to work in hard to reach areas
- Made of high strength alloy steel
- Color coded caddy for organized storage
- Set includes: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm