Features Used for pressing ceramic tile grouting, so that the coating can quickly fill the ceramic tile seam. Can enhance the smoothness of ceramic tile gaps effectively, suitable for household floor tile use. Humanized design that suitable for professionals and non‑professionals, to meet the needs of various work scenarios. Made of quality materials, durable and non‑sticky, it not only saves time, but also can achieve professional effect. Very easy to use without the need for tape, including caulking tool knife and rod tools to meet your demands. Specification: Item Type: Caulking Tool Material: Carbon Steel, ABS Metal Ball Diameter: Approx. 5mm / 0.2in 6mm / 0.24in 8mm / 0.31in 12mm / 0.47in 9.5mm / 0.37in 15mm / 0.59in 18.5mm / 0.73in Application: Used for pressing ceramic tile grouting and filling ceramic tile seam with coating quickly. Can enhance the smoothness of ceramic tile gaps effectively Package List: 2 x Caulking Tool Knife 4 x Caulking Tool Rod  Package List 2 x Caulking Tool Knife 4 x Caulking Tool Rod