ACCURATE DIAMETER & CONSISTENT COLOR - Duramic uses digital caliper system which measures the dimensions a thousand times and automatically adjusts them, to make sure the accuracy and consistency of 1.75 mm diameter and the +/- 0.05 mm tolerance
NO-TANGLING & STORAGE HOLE - The rigid manufacturing quality control prevents the spool from tangling from the start; And the storage hole on the spool is designed to place the end of the filament to prevent tangling after using due to loose or bouncing spool
USER-FRIENDLY & COMPATIBLE - Universal compatibility with diverse FDM 3D printers in market; User-friendly with length scale and weight scale to monitor remaining length and weight easily; Eco-friendly and odor-free


