All tools work similar to how they work in 1.12.2 No changes have been done to how they work. Attack damage and Speed are indicated before the crafting recipe for each tool.
A quick explanation of Attack Speed and Attack damage can be found on the Minecraft Wiki at this link.
Note: Attack_Damage * Attack_Speed = Damage_Per_Second
See the Minecraft wiki link above for a explanation of the terms in this formula.
NOTE: As of version 1.10+, if you have the MrCrayfish Furniture mod for 1.12.2, you can place the tools into the dishwasher to repair them.
The Carbon Fiber Sword has an Attack Speed of 1.6, and does 10.8 half-hearts of Attack Damage.
The Carbon Fiber Shovel has an Attack Speed of 1, and does 9.3 half-hearts of Attack Damage.
The Carbon Fiber Pickaxe has an Attack Speed of 1.2, and does 8.8 half-hearts of Attack Damage.
The Carbon Fiber Axe has an Attack Speed of 0.8, and does 7.0 half-hearts of Attack Damage.
The Carbon Fiber Hoe has an Attack Speed of 7.8, and does 1.0 half-hearts of Attack Damage.