HATCHBOX 3D Printer Filament, Dimensional Accuracy +/- 0.03 mm, 1 kg Spool, 1.75 mm, Bronze 1 KG (approximately 2.20 lbs) Spool 1.75mm Filament Diameter (Dimensional Accuracy +/- 0.03mm) PLA (Polylactic Acid) 3D Printer Filament Vacuumed Sealed With Desiccant Recommended Extrusion/Nozzle Temperature 180C - 210C (356F - 410F) Spool Diameter: 8" - Spool Width: 2.50" - Spool Hub Hole Diameter: 1.25"