You may also use a blade for this depending on the design of your faucet.
Single tub faucet removal.
Turn on the faucet to drain any excess water.
If both stems fit through a central hole in the sink you may.
You may need a faucet handle puller if the handle.
Slide the strap and the metal clip off the horizontal rod.
Under the sink loosen the nut holding the top of the strap to the lift rod.
Insert the flathead or blade into the opening between the handle and the main shaft of the faucet.
Unscrew the pivot nut and remove the horizontal rod from the back of the tail piece.
Unscrew the handle screw with a flathead or phillips head screwdriver as needed.
Removing bathtub faucet handles is essentially the same whether you have a one or two handled design.
By doing this you have now exposed the valve screw.
For most faucets removal will involve removing flexible supply tubes and unscrewing mounting nuts that are threaded onto faucet tailpieces up under the sink.
Remove the handle of the single lever faucet from the main valve screw by using a flathead screwdriver.
How to replace a single hole faucet.
This style of faucet is known as a top mount faucet and it is by far the most common among modern faucets.
For a single handle faucet.
Wiggle the handle and pull it off.
How to repair a wall mounted single lever shower faucet.