Description
A high-performance 9-piece long-arm metric Hex key set (1.5–10 mm) with Hex-Plus profile that increases contact surface by up to 20%, dramatically reducing screw head wear. Equipped with ball-end tips, a resilient holding function on sizes =3 mm, and a BlackLaser surface for outstanding corrosion resistance, this set includes ergonomically designed, cold-grip-friendly sleeves, laser-engraved size markings, and a sturdy clip holder—ideal for demanding industrial, engineering, and bicycle maintenance applications.