Feature:1.Good sealant finishing tools, the black one is made of hard plastic; The others are made of flexible plastic, durable and not easy to be broken though you break it hard2.Simple to use: use directly without masking tape or cleaning afterwards, save time, easy to use and handle, make your silicone sealant seal work like a professional plumber3.Silicone finishing tools: it's an good tool for smoothing sealing lines, caulking lines; Finish to most silicone jobs, any edge, corner, joint4.Save cost: the caulking tools are very easy to clean with a damp cloth and reuse, reduce the waste of sealant, no need for masking tape, convenient and quick to use, saves money and time5.Wide use: apply to kitchen bathroom fitter sink, DIY works or floor silicone sealant sealing; Works with most types of sealant, silicone, acrylic, resin, grout and more Material: Hard Plastic (silicone)Color: Red, BlueNote:Step 1. Surfaces must be clean, dry, and free from oil and gas.Step 2. Fill in the sealant / grout / silicone, than remove any excess sealantStep 3. Select a tool corner with the joint shape you want to achieveStep 4. Run the tool slowly along the joint, always use the smooth side to cut the joints.Step 5. Let the putty dry and harden