This is smaller size refill tool for Ink cartridge model list as bleow: (Just for reference) :
For CANON ink cartridge models:
PG-210 / 510 / 512 / 810 / 815 / 840;
CL-211 / 511 / 513 / / 811 / 816 / 841...etc.
Advantages
1, This item is designed for CANON small size ink cartridge refilling ink through the nozzles
2, Cleaning printhead clogging if your printer head is clogged short time,just seal the print head in this tool to suck same ink out,then it might be unclogged.
3, you can also use this item for CISS vacuuming:seal the print head in this tool to siphon / suck the air out from the printer head
Package includes:
1) clamp (Black color) --1pc
2) rubbr(Green color) --2pcs
3) 10ml syringes --1pc
4) 5cm needle --1pc