The product is a bulk quantity of 2.0 x 12mm silver brass nipples, designed as standard brass nipples compatible with various bike types including road bikes, cruisers, BMX bikes, and more. Made of brass and measuring 12 inches in length, these nipples are suitable for various bicycle components and parts, and are manufactured in China. Ideal for cyclists looking to replace or upgrade their existing spokes, these silver brass nipples offer durability and a sleek appearance for enhanced performance on the road or trails.