3D Printing Pen Consumables 1.75mm High Tough Line Material Environmental Raw Material Printing Silk Thread, 10colors /Set PCL 5m

1. High purity raw materials, high precision stability control, stable temperature and melting point
2. High purity of lactic acid, good fluidity, low melting point
3. High precision, diameter tolerance control at about 0.02mm
4. Non-toxic and harmless, safe and environmental protection
5. Material: PCL
6. Printing precision: 0.02MRRL
7. Print size: 1.75mm
8. Length: about 5m/color