Gravel's Hammers 1.0
This add-on adds six hammers to you in your Minecraft world. You have the choice between regular mining, 3x3 mining, and 3x3x2 mining for diamond and netherite hammers. The hammers don't require any special process to make but are balanced to not ruin your survival experience.
Check out the in game guide in the how to play section for lots of information including basics, controls, durability info, etc.
Check out this video that shows how to use them:
Once the pack is downloaded, click on the file and it will automatically import into Minecraft.
If you are on iOS:
Open the file with the Notes app, then from there you will be able to select "Open in Minecraft."