PES 2018 Arms Models and Textures For Tattoo Makers by Tunizizou

Tutorial :
1/ Convert fpk to fmdl with GzsTool.v0.5.3.
2/ Import fmdl in 3ds Max with MGSV FMDL PC max script
3/ Export fmdl to obj

GzsTool, for unpacking/repacking the .dat and .pftxs files:
https://github.com/Atvaark/GzsTool/releases