• Powerful grout repair kit for fixing tile gaps without additional tools. • 3-in-1 caulk scraper with 5 replaceable silicone pads (3R, 6R, 10R, 13R, 17R). • Usage procedure: clean and dry surfaces, smooth in 5 minutes, cured in 24-48 hours. • Wide use in bathroom, kitchen, shower, toilet, bathtub, sink, window, and more. • Compatible with porcelain, metal, vinyl, laminate, stone, ceramic, stainless steel, granite, wood, glass.