The caulking tips are made of durable material can help you fill the gaps on the surface of the object, so that they have a new look, smooth and beautiful, and are very practical household tools. When encountering corners that are more difficult to , this tool will help you complete the problem perfectly. Features -Color:Assorted Color -Material:Stainless Steel -Size: 2.50X0.70X0.70cm/0.98X0.28X0.28in -Inner Diameter:3.4mm -Outer Diameter:4mm -Note:Suitable for 2mm-3.5mm range. -Stainless steel caulking nozzle for tile grout, providing a durable and solution for any grouting project. -Precision positioning tube ensures a fine finish, allowing for accurate and precise application of grout. - caulking head designed specifically for efficient and easy application of grout, saving time and effort. -Cost-effective solution suitable for any budget, providing good results. -Multiple nozzles available, offering flexibility in projects and allowing for choose based on specific needs. Package list: 10 x Caulking Tips