1ml Black Tip Vape Cartridges, suitable for CBD Distillate and other thick oil use. Ceramic coil. 1. Capacity: 1.0ml 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: Black Ceramic 8. Thread: 510 Thread Product name  V4 Cartridge Feature Ceramic Use for CBD Material Metal, Glass Color Black Thread 510 Resistance 1.4Ω Coil Ceramic coil Oil hole 4pcs Oil hole size 2.0mm Diameter 10.5mm Mouthpiece Ceramic Tank capacity 1ml Weight 11.3g Product size 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