Specification: Caulking Nozzle Width: 16mm / 0.63-inch; Thread Outer Diameter: G3/4; Total Length: 90mm / 3.54-inch; 6 x Caulking Nozzle Adapter. Material: This reusable caulk nozzle applicator is made of high-quality plastic with a stainless steel head nozzle, which is rust-resistant, corrosion-resistant, non-stick, easy to clean, and durable. 45-Degree Design: The 45-degree nozzle design allows for efficient and precise application, providing a smooth and even finish without mess or uneven edges, suitable for various joints and angles, helping to save time. Easy Installation: The caulking nozzle attaches to a caulking gun using a threaded base. After use, the included brush tool can be used to clean the nozzle for reuse. Application: This caulking tool is ideal for sealing joints and gaps in kitchens, bathrooms, tanks, doors, windows, and sinks.