Empty metal vape cartridges, 0.5ml, Ceramic coil suitable for CBD distillate and other thick oil uses. 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: Metal Tip 8. Thread: 510 Thread Product name  V4 Cartridge Feature Ceramic Use for CBD Material Wood Tip Color Silver Metal Tip Thread 510 Resistance 1.4Ω Coil Ceramic coil Oil hole 4pcs Oil hole size 2.0mm Diameter 10.5mm Mouthpiece Silver Metal Tip Tank capacity 0.5ml Weight 11.3g Product size Packing size 15.8*15.8*9.2cm Certificate CE,RoHS Warranty 6 months Key words cartridge, vape cartridge, ceramic cartridge