MATERIALS & SIZE: The of this caulk kit is made of rubber; Handle is made of ABS; Comfortable 8.6-inch handle length reduces work fatigue; 4 different tip sizes,. 0.8inch, 1.1inch, 1.4inch and 1.7inch you can apply sealant evenly to uneven surfaces, saving material timeApplication scenarios: This caulk caulking kit can be used in scenarios; Perfect for kitchens, storage rooms, bathrooms, floors, walls, corners, doors, exterior walls and other problems that require caulking or sealing; this sealant Organizing tools to facilitate your DIY projects or professional workReusable: Each of our caulking tools is reusable; after use, simply rinse or wipe with water or a damp cloth; Once they are dry, you can store them away for time you need them; Easy; Note: Be sure to wipe off stains before dryingBETTER CALCULUS Smoothing Tool: Features tips in various sizes that fit easily into corners and nooks, effectively smoothing applied caulk for a better, neater ; Whether you're a professional builder or a DIY hobby This tool is ; it works efficiently on a of surfaces and materialsColour:Photo ColorMaterial:Rubber+ABSPackage Contents:4 x Caulk toolsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.