This kit can transfer your juice from a bad cartridge to a working cartridge. Transfer near 100% with no mess. Kit includes patch tape for leaky cartridge. Wood and metal tools included to clean cartridges. Kit also includes transfer tubes. Wet wipes to clean up sticky messes. Consolidate used cartridges into one smokable cartridge. Great to have on hand for emergencies or give as gifts. Stop store returns or credits if your a shop owner. Online video instructions on Youtube. Orders over 15 units include free counter rack. Brand these tubes with custom stickers. Buy one or buy in bulk!