Protomont 3D Pen Professional 3D Drawing Pen Combo (Pack of 4 Filament)
- Quality Assurance : Filament Refills Comes with 10 colors ( Black, White, Blue, Yellow, Golden Brown, Green, Orange, Grey, Purple, Silver), 100% bubble free and Environmental friendly non toxic material.
- High Precision : Within +- 0.03mm wire diameter tolerance stability control, the source to ensure a uniform, print more accurate real.
- Melting point and Stable : Strict production process, guarantee the stability of any piece of material melting point, smooth out the silk Yin.
- High Purity Materials : Made of high quality material, high purity and mixed waste, recycling materials, ensure the quality of materials, stable and high output.