For refilling HP Deskjet 2620, 2632, 3270, 3370, 3720, 3722, 3723, 3730, 3732, 3733, 3752, 3755, HP Envy 5020, 5030, 5032 Printers and HP304 / HP304XL Black and HP304 / HP304XL Colour Ink Cartridges. Parts Included... 1 x Refill Tool for Stabilising Internal Pressure of Cartridge. Comes with attachment for Black cartridge and another for the colour cartridge. 1 X 28ml Black Ink Bottle with built-in Syringe. 1 X 28ml Cyan Ink Bottle with built-in Syringe. 1 X 28ml Magenta Ink Bottle with built-in Syringe. 1 X 28ml Yellow Ink Bottle with built-in Syringe. Gloves. Refill Instructions.