Toughness-Enhanced PLA Filament:Kingroon premium PLA filament offers exceptional printability with optimized quality, low shrinkage, and excellent layer bonding. Designed for functional parts requiring higher toughness, it delivers reliable strength and durability for a wide range of printing projects. Clog-Free, Bubble-Free & Easy to Use:Each spool is thoroughly dried for 24 hours and vacuum-sealed with desiccant in a durable nylon bag to prevent moisture absorption. Recommended printing settings: Nozzle 215–220 °C, Bed 70 °C for smooth extrusion and stable performance. Dimensional Accuracy & Consistency:Manufactured with strict precision standards, this tough PLA maintains a 1.75 mm diameter with a tolerance of ±0.02 mm, ensuring consistent feeding and high-quality results. Each spool contains 1 kg (2.2 lbs) of filament. Wide Compatibility:Engineered for versatility, this PLA works seamlessly with nearly all 1.75 mm FDM/FFF 3D printers, thanks to its stable formulation and high manufacturing accuracy. Excellent Customer Service:At Kingroon, we are committed to customer satisfaction. If you have any questions or need assistance, please feel free to contact us—we will do our best to support you.