Sunlu Pla 3D Printer Filament, 1Kg Spool, 1.75Mm (1Kg Pla Black),, 0.02 Mm. ?Toughness Enhanced PLA Filaments?---SUNLU premium PLA filaments have the advantages of incredible ease of printing Optimized printing quality, high purity with low shrinkage and superb layer bonding, meeting your demands for printing projects of functional parts with higher toughness. ?Dimensional Accuracy Consistency?These tough PLA filaments to be strict tolerances. Diameter 1.75mm, dimensional accuracy + / - 0.02 mm without any exaggeration; 1 kg spool (2.2lbs) ?Clog-Free, Bubble-Free Easy-to-use?--- Complete drying for 24 hours before packaging and vacuum sealed with desiccants in nylon re bag. Recommended PLA Filament Extrusion/Nozzle Temperature 215-220?, bed 70? . ?Wide Compatibility? --- Works and harmonizes perfectly with all common 1.75mm FDM 3D printers, thanks to the high quality standards in terms of manufacturing accuracy and the small tolerance in diameter of +/- 0.02mm. ?Risk-Free? --- One-month free trial, 30 day Money-back if you?re not satisfied. Spool Diameter: 8" - Spool Width: 2.5" - Spool Hub Hole Diameter: 2.20"