What tool is ideal for sharpening and honing cutting tools?

The combination oil stone is an excellent choice for sharpening and honing cutting tools due to its dual-sided surface that typically features a coarse side for initial sharpening and a fine side for honing. This versatility allows users to efficiently restore the edge of a blade, making it particularly useful for a variety of tools, including knives and chisels. The oil stone is designed to be used with lubricant like oil, which helps to reduce friction and carry away metal shavings, resulting in a smoother finish.

While a whetstone also serves a similar purpose in sharpening, it may not always be used with oil, which can affect the sharpening process and finish. The angle grinder, on the other hand, is a power tool usually reserved for heavy-duty grinding and shaping rather than precision sharpening. A file can be used for sharpening, but it lacks the fine honing capability needed for a polished edge compared to the combination oil stone, making the latter the most suitable option in this context.