Each Metrix Signature Sample Pack contains 20x needle cartridges, with 2x each of these configurations:

1005 Round Liner - 1009 Round Liner - 1203 Round Liner

1207 Round Liner - 0803 Round Liner Extra Tight - 1210 Hollow

1007 Round Shader - 1209 Round Shader - 1009 Curved Magnum

1215 Curved Magnum (Mick Squires)