If you are looking for a "useful piece" that provides the functionality often associated with modern modded setups, you should look for specific utility mods that were the standard for that version: Essential 1.7.10 Utility Mods
Quark Mod for Minecraft 1.7.10 is not flashy. It does not add dragons, nukes, or space rockets. Instead, it adds sanity . quark mod 1.7.10
Technically,
Quark does not officially exist for Minecraft version 1.7.10 . The mod was first released for version If you are looking for a "useful piece"