0.5ml empty vape cartridge , white tip, suitable for thick oil use. 1. Capacity: 0.5ml 2. Coil: Ceramic coil 3. Oil hole size: 4*2.0mm 4. Oil Cup Material: Glass 5. Diameter: 10.5mm 6. Resistance: 1.4Ω 7. Mouthpiece: Ceramic White Tip – Screw On 8. Thread: 510 Thread Product name  V4 Cartridge Feature Ceramic Use for CBD, Thick Oils Material Metal, Glass Color White Thread 510 Resistance 1.4Ω Coil Ceramic coil Oil hole 4pcs Oil hole size 2.0mm Diameter 10.5mm Mouthpiece Ceramic White Tip Tank capacity 0.5ml Weight 11.3g Product size 52*10.5mm(0.5ml)/61.7*10.5mm(1ml) Packing size 15.8*15.8*9.2cm Certificate CE,RoHS Warranty 6 months Key words cartridge, vape cartridge, ceramic cartridge