What tool should be used when recutting old checkering?

The tool that is best suited for recutting old checkering is the V Cutter. This specialized tool is designed specifically for creating checkering patterns on wood surfaces. It features a V-shaped blade that allows for precise, clean cuts that define the diamond shapes typically found in checkering. The V Cutter can be easily maneuvered to follow the existing lines of the old checkering, enabling the user to enhance or restore detail without compromising the integrity of the surrounding wood.

Regarding the other tools, a flat chisel is more commonly used for general wood shaping and removing material rather than for the intricate cuts required in checkering. While a Dremel tool could potentially be adapted for this purpose, it lacks the precision and control specifically built into a V Cutter, making it less ideal for detailed work. A router is generally used for larger cuts and shaping edges rather than for the fine, detailed work needed in recutting checkering patterns. Therefore, the V Cutter proves to be the most effective and appropriate choice for this task.