The shape of the caulking nozzles makes them easy to hold and operate, even for extended periods of time. The nozzles in the set allow for versatility in application, making it suitable for a wide range of projects. The caulking nozzles are especially useful in preventing the glue from drying out. Features - ColorTransparent -Material:Plastic - Size: 4.58X1.37X1.18cm/1.80X0.54X0.46in -Outer diameter:13.8mm/0.54in -Inner diameter:11.8mm/0.46in -Lightweight and compact design caulking nozzles allows for storage and transport. -The caulking nozzles are suitable for both diy enthusiasts and professionals in various industries. -Versatile nozzles and can be used for a wide range of projects and applications. -Essential tool for any diy or crafting project: this product is an essential tool that can be used for any diy or crafting project. -Strong compatibility, easy to replace and install. Durable to use and easy to clean. Package list: glue tips