This set of caulking nozzles is designed for and operation with its unique shape. This precision dropper tip is designed to be compatible with glue in multiple sizes, making it a versatile tool for a variety of projects, this dropper tip is built to last and withstand frequent use. Features - Color: White -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