Description: 【No.1 Nozzle】: The Spray Polyurethane Foam Tool Nozzles is used for vertical and horizontal spraying on flat walls, partitions, and keels, ensuring even foam coverage and minimizing over spraying. Ideal for large area wall insulation projects. 【No.2 Nozzle】: The Spray Polyurethane Foam Nozzles is specifically designed for ceiling and attic insulation, providing even foam distribution and preventing dripping during high altitude construction. Perfect for high place insulation work. 【Professional】: The Polyurethane Foam Spray Nozzle can achieve professional grade results. Easy to install and use, making the insulation project more efficient. Suitable for professional insulation workers. 【Easy Installation】: The Replacement Tips is quick to install and simple to adjust. You can change the nozzle direction according to different areas, simplifying your work process. Great for DIY enthusiasts. 【Material and Size】: The Small Red Nozzles is made of polyurethane material, with dimensions of 5.5cmx2cm/2.17inchx0.79inch, offering reliable performance. Ensures long term use. Size Chart: 5.5cmx2cm/2.17inchx0.79inch Package Includes: 5 Spray Polyurethane Foam Tool Nozzles Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.