Hello and Greetings,I am a buyer from Gersyprint3D located in FX. I would like to buy ABS 1.75mm 3D Printing Filament-Red Color.May I know more information about product such as:Outside Diameter,Yarn Type,Thickness,Do you have any quality assurance certificates?I'm looking forward to hearing from you soon.With Best RegardsLudovic Gersyprint3D