Pro Caulk 4 Piece Tool Kit. Caulk like a pro. Perfect corners and seamless joints. No wasted caulk, silicone or grout. Offers a variety of sealing edge sizes and shapes. A caulk removal tool is also included. The tools are easy to clean and can be used time and time again. The tools can be used indoors or out on just about every caulking and sealing project.