... softer than PLA;(5) diameter of 3.0/1.75mm, variations + /-0.1mm,roundness +/-0.05mm;(6) 1 kg /plastic spool ... other ABS filament:We select of premier grade ABS material, low water absorption, high tough. Factory direct sales, inexpensive, ... ,tastelesswhite smoke, concentrated flavor ,make headacheRoundness+/-0.05mm+/-0.03~0.08mmwater absorptionVery low, no bubbles occur when printing even expose ...