Helix Ultraflex Wide Ruler 12 Inch / 30cm, Assorted Colors (37459) Raised imperial and metric graduations Hang hole for easy storage Customer will receive one in any of the following colors: Blue, Green, Pink, Gray and Aqua. Color is random and cannot be chosen at this time. Raised imperial and metric graduations ^Hang hole for easy storage ^Customer will receive one in any of the following colors: Blue, Green, Pink, Gray and Aqua. Color is random and cannot be chosen at this time.