There is a separate command for each tool, along with a stack of torches and a special tool. The tools are all diamond tools.
In Quick Supply 1.0.1, if you already have a diamond tool, you cannot use the command to get another until you have removed that tool from your inventory.
Example: if you already have a diamond sword the /sword command will not give you anything but a message saying "You already have a sword"
Note: This excludes /torch. You can get as many stacks of torches as you want. ;)
Quick Supply 1.1.0 Update
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and the special one: