totaltinkers-0.5.1.jar is a release file of the Minecraft mod Total Tinkers, made for Minecraft 1.12.2. It was published on July 2, 2020 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Total Tinkers mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.