What do the two ends of each file do?

Each file carries a different cut at either end, so you can rough out with one side and refine with the other. Check each tool's profile before starting so you use the coarser end first.

Is this set good for hardwood?

Carbon steel files cut hardwood, but hard, dense woods dull budget steel quickly. Expect to work slower and clean the teeth often on oak, maple or similar.

Do the handles stay tight?

Handle fit is the most common weak point on budget file sets. Check each handle on arrival and reseat any that wobble before putting pressure on it.

Can I use these on metal or plastic?

They are sold as woodcarving files. The teeth are shaped for wood, so metal will wear them fast and soft plastics may clog them.

It suits beginners and hobbyists who want many shapes and cuts in one purchase. Carvers doing heavy stock removal on large pieces are better served by a few larger, higher-grade rasps.