Depending on the type of axe, it can have various properties and ... and move it to another spot without having to bend down ...
Lightweight splitting axes will turn smaller logs into kindling, while large, ten-pound mauls are used for breaking up larger ...
Do keep in mind that both items need to be the same type (for example: two iron axes). You can also use an axe and an Enchanted Book instead. Not all axe enchantments can be combined though.