This Bahco Ball End Hex Key Set is a 9-piece metric set made from high-quality hardened steel. It features hexagonal tipped L-keys with a ball end on the long arm, allowing for insertion into screw heads from various angles for more efficient work. The long arm also provides higher torque transmission and accessibility. The set has an oxidized or phosphate finish for outstanding surface protection and higher accuracy in the tip. Each key's size is stamped on the blade for easy identification, and all sizes are marked on the included plastic holder for simple selection. The set includes key sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm. Country of Origin: Spain.