This refill tool for Ink cartridge model list as bleow: (Just for reference) :

compatible for hp 816,817,818,901,802,21,22,60,61,56,57,74,75,860,861,702,703,27,28,
,100,96,92,93,94 , 121 122 140 141 300 301 302 21 22 61 650 652 651

540 / 541

Note: We can not collect all models here. you can choose this refill tool if you confirm your ink cartridge same size to these models.

1set refill tool include:

1) clip (Black color) --1pc

2) rubbr(Green color) -- 2pcs (one is used for black cartridge , one is used for color cartridge)
3) 5ml syringes --1pc
4) 5cm needle --1pc