Advantages: 1. Full ceramic structure with childproof mouthtip 2. 510 Thread FULL Ceramic Cartridge, no heavy metals issue 3. No thread design on top connection, saving machine/manual filling time Basic: Capacity 2.0ML Weight: 14.5g Heating Coil: 1.4ohm Ceramic coil Thread: 510 thread Intake hole: Two rectangles, 2*2.5mm*1.2mm Size: 1ml 14*62mm Material: High Quality Ceramic+ Pyrex Glass Color: Yellow or cusotm