The 480-19 Armature Spring Rivet is a high-quality product designed for Lionel trucks and pick-up rollers, made in the United States by Post War. This 50 pack of C-10 mint brand new components is specifically graded for O gauge model railroads, ensuring a perfect fit and optimal performance for your train collection. Ideal for hobbyists and collectors looking to maintain and upgrade their Lionel trains, this armature spring rivet is a must-have for those seeking precision and authenticity in their model railroad setup.