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

V1 - Essential Mixed
2 x 0803RLXT LT 
2 x 1005RL LT
2 x 1009RL LT
2 x 1203RL LT
2 x 1207RL LT
2 x M.SQUIRES 15CM
2 x 1009CM LT
2 x 1007RS LT
2 x 1209RS MT
2 x 1210H MT

V2 - Fine Lines & Micro Detailing
2 x 0405RLUT XLT
2 x 0803RLUT ULT
2 x 0803RLXT LT
2 x 1005RLXT LT
2 x 1005RL LT
2 x 007RL LT
2 x 0807RS LT
2 x 1005RS LT
2 x 0809CM LT
2 x 1011CM LT

V3 - Black Bold & Traditional
2 x 1005RL LT
2 x 1205RL LT
2 x 1207LL LT
2 x 1211LL LT
2 x 1209SLAM MT
2 x 1214SLAM MT
2 x 1210H MT
2 x 1207RS MT
2 x 1211M1 MT
2 x M.SQUIRES 13CM

V4 - Black and Grey & Colour Realism
2 x 1203RL LT
2 x 1205RL LT
2 x 1211LL LT
2 x 1207RS MT
2 x 1209RS MT
2 x 1013CM LT
2 x M.SQUIRES 09CM
2 x M.SQUIRES 15CM
2 x 1225CM MT
2 x T.SLACK 09M1