Package - Contains 10 nylon tube brushes. The diameters of the cleaners are The total length is about 21 cm, and the diameters are 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 12mm, 16mm, 20mm, and 24mm respectively. You can always find a tool when cleaning hard-to-reach places. Material - Made of stainless steel and nylon nozzles. Application - The multi-functional brushes are perfect for cleaning hard-to-reach spaces. access, such as airbrushes, small bottles, keyboards, droppers, machinery, glasses, goggles, straws, mobile phones, etc. Practical - Each set of 10 brushes comes with a holder keychain, it's convenient for you to keep them all together and easier to find the right size for the job. With a handy loop at the end of the handle for hanging when not in use or for attaching to your keychain for secure storage. Size: 27 x 10 mm Material: Nylon Color: Black Package Contents: 10 x Cleaning Brushes in Different Sizes (total length approx. 21 cm, diameters of 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 12mm, 16mm, 20mm, and 24mm respectively) Only the above package, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.