SainSmart 3D ABS 1KG 1.75mm BLK ABS 3D Printer Filament, Dimensional Accuracy +/- 0.05 mm, 1 kg Spool, 1.75 mm(Blue) For common 3D printers such as Reprap, MakerBot, Afinia, Solidoodle 2, Printrbot LC, MakerGear M2 and UP!(Afinia H-Series) This SainSmart filament holds exceptionally tight tolerances. The diameter stays stable and consistent(between 1.71mm and 1.78mm) Widely used in health care, education, toys, building, automobile, electronics, and anime field. It loads and unloads perfectly.