Refill friendly HP 18/88 set (with tools)	Refill friendly HP # 88 or # 18 compatible cartridge set -  for OfficeJet K550, K5300, K5400, L7380, L7580, L7590, K8600... Empty refillable cartridges (4) fitted with auto reset chips, 4 syringes / needles, refill instructions Ink not included QTY: