Zirconia cartridges is heavy metal free, can pass all tests with pearl shiny looks. 

It's the best up-to-date technology and material for top brands and customers.

Pure taste as the oil nature.

• Ø10.5mm
• 510 universal thread
• Capacity: 0.5ml, 1.0ml
• Intake hole: 1.mm
• Color: black and white
• No leakage
• Packing: 100pcs per white box
• 1000pcs in one master carton
• Logo in printing or engraving