100% brand new and high qualityMetric Allen hex Key setShort Ball Ended Allen Key set.One end is normal Allen / Hex Keys and the other is Ball EndedBall ended allows easier access into awkward / obstructed items.Manufactured from chrome vanadium steel for strength and durabilitySize: 1.5mm / 2mm / 2.5mm / 3mm / 4mm / 5mm / 6mm / 8mm and 10mm