Here are the essential items commonly included in a professional piercing kit:

1. Needles: Sterile, single-use needles of various gauges and sizes for specific piercings.
2. Piercing Jewelry: A selection of sterile, high-quality piercing jewelry in different styles and materials, including surgical steel, titanium, or bio-compatible materials.
3. Piercing Clamps: Clamps are used to hold the skin steady and in place during the piercing process.
4. Gloves: Disposable, non-latex gloves to maintain a sterile environment and protect both the piercer and the client.
5. Antiseptic Solutions: Alcohol swabs, antiseptic solutions, or wipes for cleaning the area before and after piercing.
6. Marking Tools: Skin-safe markers or pens to mark the piercing placement accurately.