1) CE 2) Materials Medical High Temperature Acrylic 3) Size:0.2mm,0.25mm,0.3mm,0.5mm, 0.75mm,1.0mm, 1.5mm, 2mm, 2.5mm, 3.0mm Parameter:1. roller color for choice: silver and golden2. Needle material: titanium3. Body Material: Plastic4. Special a method of construction by lock-up5. 50% improvement of needle's strength than a normal material Needle size for choice : 0.2mm 0.25mm 0.3mm 0.5mm 0.75mm ...