Chainsaw is a blueprint actor of a fully functional Petrol Chainsaw. Blueprint actor controls rotation of the chain, and turning it on and off. 

Drill is a blueprint actor of a fully functional cordless drill tool. Blueprint actor controls rotation of the drill, its speed, turning on and off and battery changes. 

There is an Animation blueprint that controls Skeletal Mesh with procedural animations. There is also material animation for Chainsaw chain spinning. 

Asset has a sound system that plays different engine sounds depending on tools state and speed. Including start and stop sound. 

In material you can change the Color, Roughness and there is “Old” variable where you can lerp between old and new textures.

Chainsaw video: https://youtu.be/vN0va9o8FT0

Drill video: https://youtu.be/TqYq0gbThdU

Here is link to my Discord server if you have any questions: https://discord.gg/pQsZjyCaxs