Wera Tools 9-Piece Metric L-Key Hex Set features a redesigned classic L-Key with Hex-Plus technology that a larger contact surface in the screw head to prevent rounding out. This innovative design significantly reduces notching effects, minimizing the risk of damaging hexagonal socket screw recesses. These durable L-keys can handle 20% more applied torque for enhanced performance. The ball tip on the long arm allows for working in tight spaces by swiveling the tool’s axis, enabling screw driving at an angle or "around the corner." Each key is laser engraved and color coded for easy and quick size identification. The BlackLaser surface treatment protects against corrosion and extends the life of the tools. All nine keys are securely held in a convenient clip fastener that provides secure storage, easy removal, and wear protection. Model Number: 05073596001