Picklepack1.0.0_release.jar is a release file of the Minecraft mod Fighting Pickles Vehicle Pack for MTS/IV for Forge, made for Minecraft 1.12.2. It was published on July 4, 2020 and is 1 MB in size. For the full description, screenshots and every other version, visit the Fighting Pickles Vehicle Pack for MTS/IV mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.