Duratrax Ultimate Hex Driver Set (4-Piece) FEATURES: Hardened tool steel tips Anodized aluminum handles with knurled grip Storage compartment in the handle Replacement tips available INCLUDES: One 3mm hex driver One 2.5mm hex driver One 2mm hex driver One 1.5mm hex driver COMMENTS: The measurement found on the shaft of the drive This is the DuraTrax Ultimate Hex Driver Set FEATURES: Hardened tool steel tips Anodized aluminum handles with knurled grip Storage compartment in the handle Replacement tips available