GOOD MATERIAL - These cleaning tools are helical and made of high-density nylon and stainless steel. They are rust-resistant, do not shed bristles, and are resistant to deformation. Includes a lightweight and compact aluminum carrying case, making it a convenient tool to keep on hand.MULTIPLE APPLICATIONS - The brushes and needles are ideal for cleaning small orifices such as nozzles, pneumatic tools, air tools, camping stoves, and more. Suitable for use with motorcycles, ATVs, welders, tattoo equipment, lawn mowers, snow blowers, and various power equipment carburetor jets.FLEXIBLE DESIGN - Designed to reach tight and curved spaces that are difficult to clean. Made with high-density nylon bristles and stainless steel for durability, corrosion resistance, and flexibility. Spiral bristle construction stays intact and effectively cleans the interior surfaces thoroughly.REUSABLE CLEANING TOOLS - This carburetor cleaning brush and wire cleaner kit is reusable. Constructed from high-quality stainless steel that resists rust and is easy to clean. We offer a free replacement for any defective pin or wire cleaners. Built to last for the life of your carburetor and other equipment such as spray guns.VARIED SIZES INCLUDED - Set includes 10 cleaning needles and 5 brushes. Overall length: 4.53 inches (115 mm). Brush diameters: 2mm, 3mm, 4mm, 5mm, 7mm. Needle diameters: 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm.