Contains: Caulking tool kit containing 1 grout saw, 1 hook knife and 6 replacement blades. Material: The grout tool is made of nylon handle and steel blade. The angular shape of the handle helps you get into small spaces and makes it easier to remove thick grout Size: With a length of 21 cm and a blade length of 5 cm, the caulking tool kit is perfect for cleaning tile cracks, getting into corners and against walls and saving you time. Easy to change: The blade is fixed to the saw with 2 screws, it can be easily changed, allowing you to continue working until the job is done. Wide range of applications: can clean old grout and meet the needs of almost all sizes and angles of tile gaps.