1、Kit Tool Contents: Caulking tool kit contains 1 green hook knife, 5 replacement head, 3 blue silicone nozzle, 14 stainless steel nozzle, 1 soft silicone nozzle, 1 hard silicone nozzle, 2 nozzle cover, 1 scraper, 1 tape, 3 brush, 4 front back scraper. 2、Scraper and Hook Knife: The caulking tool kit uses a scraper made of excellent materials to easily remove even stubborn seams. The hook knife is finely detailed incisive and has a replaceable head. 3、No Waste: Grout caulking tools do not waste sealant or cement paste and can scrape oil off corners to improve set quality and surface aesthetics. 4、Smooth Back: Our caulking finishing tool's smooth back makes it easy to remove excess sealant from joints at very low pressure. 5、Excellent Tool: The caulking finishing tool removes surface bumps and dents. This is a great tool for smoothing sealing lines and blocking lines. Finishes most silicone jobs, any edge, corner, joint.