GreatNeck HEK7M 7 Piece Folding Hex Key MetricGreat Neck 7 Pc. Metric Folding Hex Key Set Includes sizes: 2, 2.5, 3, 4, 5, 6, 8mm Hardened & tempered chrome vanadium steel Black oxide plated handle Folds for easy transportationGreatNeck HEK7M 7 Piece Folding Hex Key Metric Features:; Coated with black oxide; 7 piece set includes 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, and 6mm hex keys; Metric sizes; Carded