Ceramic Core0.5 or 1.0 mLTranslucent Barrel or “Pinched” Mouthpiece option2.0 mm ApertureJet Ceramic Poly Press OnSKU: 0003PRODUCT INFO Ceramic Core 0.5 or 1.0 mL Translucent Barrel or “Pinched” Mouthpiece option 2.0 mm Aperture