These Faithfull L-shaped long hex keys have ball ends that permit up to a 30° offset alignment for greater access to difficult to reach fixings. Their longer blades provide both access to deeper set fixing and additional torque if needed when fitting or removing bolts. The keys are manufactured from Chrome Vanadium steel and are heat treated for strength and durability. They have a satin chrome finish for rust prevention. The set is supplied in a sturdy slide to open plastic storage caddy. This 9 piece set contains the following sizes:1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10mm.