25g/pcs ABS 3d Print Filament 3mm 3d Print Ink for 3d Printer Pen Pack of 12 1.The filaments are universally designed and compatible with 3D Printers using 3mm diameter filament, with a dimensional accuracy of +/- 0.05mm. 2.Compatible with Reprap, MakerBot, Afinia and UP! printers, as well as other 3D printers the use 3mm filament and operate within the 220 to 250 extruder temperature range. 3.Designed specifically to clean the 3D printer's extruder by directly removing residual material. 4.Our filament is made entirely of ABS material(Acrylonitrile Butadiene Styrene), ABS is a powerful,surface treatable thermoplastic. 5.12 pcs( Red Black Blue White Yellow Purple Green Orange) Sampler Pack-This sample package has many colors of 12 pcs.