SainSmart ABS 1.75mm Filament for 3D Printers,1kg/2.2lb, Temperture Change Color (Green to Yellow) 1 KG (approximately 2.20 lbs) Spool Weight 1.75mm Filament Diameter (Dimensional Accuracy +/- 0.05mm) Color Charging Temperture: 31C / 87.8F Recommended Extrusion/Nozzle Temperature 200C - 220C (392F - 428F) Spool Diameter: 8" - Spool Width: 2.50" - Spool Hub Hole Diameter: 1.50