A worm screw in the side of the knob where it slides onto the valve control will require an allen wrench also called a hex key to tighten it.
How to tighten kohler shower door handle.
No need for.
Perhaps this video can guide you for quick easy and cheap fix.
How on earth do you tighten a loose shower handle anyway.
If your kohler shower handle is loose rotates free doesn t hold on to position.
Troubleshooting installation and repair tips for sliding and pivot shower doors as well as framed and frameless.
Bathing troubleshooting installation and repair tips for kohler baths whirlpools and bathing accessories.
If your sink handle is loose and the faucet is a kohler all you have to do is look carefully for it and tighten it.
Use a phillips screwdriver or a 1 8 or 3 32 inch hex wrench depending on the model.