Compatibility printers 6000, 4625, 1112, 2132, 1050, 4535, 3525, 6525, 1010, 3775, 1515, 2131, 2135, 3635, 4729, 4615, 6425, 5525, 3770, 3776, 1510, 4515, 1000, 2000, 2050, 2545, 3050, 3545, 3635, 2515, 4645, 4625, 5525, 6525, 2060, 2010 HP cartridges 805, 803, 680, 678, 682, 818, 802, 901, 703, 704, 46, 21, 22, 27, 28, 56, 57, 88, 98 cartridges, Suction tool purpose removing residue ink before refilling of cartridges, removing air after refilling of cartridges fixing printing problems like light, broken printing, fixing partially clogged cartridges. 2 holder with 4 changeable fittings is provided for both black and color. Cleaning print head- by using this tool, lightly clogged cartridges can be unclogged a sizing fit plastic piece is provided with the set which is used when the cartridge is small to make it perfect fit.