This tile joint clean tool is a tip removal hand tool, it can remove unwanted grout, mortar, caulking and surface residue, great for detail work. The caulking tool kit is good for cleaning crack tiles and getting into corners and up against walls because of its smaller size, higher efficient than other large tools. Arc ergonomic handle, easy to control and reduce fatigue, you can adjust your direction according to where you need to clean, so that you can complete cleaning in the fastest time. The tile joint repair kit contains 3pcs reversible replacement blades, greatly increase the durability and service life. This removal tools are not only used in cleaning dirty crack between tiles, also work for kitchen, bathroom balcony and rest of the household. Specification: Material: Alloy Steel Size: total length - 21cm/8.27inch blade length - 8.5cm/3.35inch Package Includes: 1 Piece Tile Gap Hook Knifes 3 Pieces Replacement Blade Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.