... with laser monitor and interlock device, smooth surface, no bumps, independent R&D, folded no break, high hardness, high strength, lots colors for prefer ... -1.74mmColorsPLA -3mm/1.75mm Clear,red,green,yellow,blue,black,white,glow in the dark ,pink,orange,yasmine green,grey ... filament)could be customized to your need and PANTONE number. high quality plastic 3D printer filament PLA/ABS/PVA welding rods