For removing silicone and acrylic: The joint smoother is suitable for silicone, acrylic, resin, grout and much more. A must-have tool for every tiler: This item makes it easier for you to work with the joint compound (e.g. when removing and smoothing) in different shapes and sizes. 5 different smoothers: This kit contains 5 different smoothers that can be used with different angles and curves. Easy to use: With our cast iron smoother kit, you can work very easily with silicone if you want to work edges or corners. No soapy water needed: Prevents loose silicone edges that trap moisture and bacteria. No adhesive required.