4mm hex, 5mm hex and T25 Torx style setColor coded rings to quickly find the correct sizeMade from Bondhus Protanium high torque industrial steel; heat treated for long lifeChamfered tips for a perfect fitPerfect for the new modern bike assembly with both hex and torx style fittingsAllen WrenchAWS-7UPC/EAN/GTIN: 763477000255