multihotbarcore-1.7.10-1.0-build-T29.jar is a release file of the Minecraft mod Multi-Hotbar Core, made for Minecraft 1.7.10. It was published on March 16, 2019 and is 0 MB in size. For the full description, screenshots and every other version, visit the Multi-Hotbar Core mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.