About This 【Professional Grout Finishing】: Achieve clean, professional-looking tile lines. This 2-piece set is designed for pressing and smoothing grout or caulk into both internal and external corners. 【Durable Tungsten Steel Construction】: Built to last with premium tungsten steel heads. The tools measure 18cm (7. inch) in length with a .6cm (0.63 inch) wide yellow handle for a secure grip. 【Dual-Purpose Corner Design】: One tool features a 2.5mm (0.10 inch) head for double-headed external corners. The other has a 2mm (0.08 inch) head for flat internal corners, covering common tile gap widths. 【Compact & Easy to Use】: The double-ended, pocket-sized design makes these tools easy to handle, carry, and clean. Ideal for quick touch-ups or large tiling projects. 【Complete 2-Piece Kit】: Your purchase includes two specialized caulking tools. Perfect for use in bathrooms, kitchens, balconies, and entryways on walls or floors.