Hex Key / Allen Key Set Metric Long-Arm Ball End

Professional quality keys made from fully hardened chrome vanadium steel. All keys from 4 mm have chamfered edges to prevent damage to blade and fittings. Long arm ball end design allows access to deep set screws or difficult to reach places at offset angles. The clip case storage container ensures that the key set can be safely stored in clothing pockets and toolboxes. The key sizes are clearly shown on the clip. 9 Piece Set (Long Arm Ball Ended) Sizes. 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm.