2pcs Caulking Joint Cleaning Knife + 8 Replaceable Blades - Renovation of Wall Tile Joints [Remove Stubborn Stains] - This tile grout cleaner tool is an advanced manual removal tool, it can remove unwanted grout, mortar, thinset, caulking and surface residue, it is detail work.[Refined and Practical] - The caulking tool kit is perfect for cleaning crack tiles and getting into corners and against walls due to its smaller size, so it is more clean than other big tools. [Save Time and Energy] - Easy to control, you can adjust your direction according to what you need to clean, so you can finish in the fastest time and helps fight fatigue while working. [Replaceable Blade] - As the tile grout repair kit contains 8pcs replacement blades, it greatly increases the durability of the hook knife and extends the life of the knife. [Wide Range of Applications] - The removal tool is not only used to clean the dirty crack between tiles, but also can work for kitchen, bathroom balcony and the rest of the house. Note: The data are all manual measurement, please allow 1-3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received.