[High Quality]- These tube brushes are nylon bristle and stainless steel lever, with good elasticity, no lint, no rust and are environmentally friendly and durable. [Easy to Install and Use]- Tube brushes can be quickly disassembled or installed with the key ring, there is a capillary protection of the dispensing tip against scratches on your instrument. [Multipurpose]- The small cleaning brushes can clean hard-to-reach places such as straws, bottoms of bottles, flasks, gourds, corners of coffee machines, the spout of a teapot, kettle, etc. [Maintenance]- The brushes can be washed by hand or directly in the dishwasher. [Maintenance]- The brushes can be washed by hand or directly in the dishwasher. No loss bristles thanks to strong and flexible nylon bristles, Strong and durable brush bristles even under heavy use Individually removable brushes, Easy cleaning after use, Dishwasher safe. The tube brush lever is flexible, can clean corners, can effectively remove stubborn dirt, soft handle, easy to use, and it will not hurt the inside of the instrument to remove any dirt. Suitable for milk bottles, kettle spout, test tubes, glass bottle and small nozzle, espresso machine, etc. Specifications: Material: 304 Stainless Steel + Nylon Overall length of all brushes: 8 inches (21 cm) Brush Diameters: 2, 3, 4, 5, 6, 8, 12, 16, 20, and 24 mm (1/16, 1/9, 1/6, 1/5, 1/4, 1/3, 1 / 2, 2/3, 3/4, and 1 in Package Includes: 10 x Cleaning Brush becometrsrich