For Use In Cartridge Numbers: BC-20, BCI-21 (insert) **** 2.5oz Black bottle #WJ165 - 9+ refills for BCI-21 (insert) & 2.5+ refills for BC-20 * 1oz Magenta bottle #WJ652 - 10+ refills * 1oz Yellow bottle #WJ720 - 10+ refills * 1oz Cyan bottle #WJ258 - 10+ refills * Also includes: 4 syringes, 4 needles, drill bit, instructions, gloves