Kadee #621 HO Scale Torsion Centering Spring for 30-Series Couplers Gearboxes

This reliable and durable product is a must-have for any HO scale model train enthusiast. The Kadee #621 HO Scale Torsion Centering Spring is specifically designed for 30-Series Couplers Gearboxes, making it the perfect fit for your train set. With one dozen springs included in each package, you'll have plenty to keep your couplers functioning smoothly. These springs are made with high-quality materials to ensure long-lasting performance. Upgrade your train set with the Kadee #621 HO Scale Torsion Centering Spring for 30-Series Couplers Gearboxes.