These precision-engineered metal centering springs are perfect for #711, #712 3/4 size HO couplers and #714, #715 HOn3 couplers. Each package comes with a dozen springs, ensuring you have enough for your model railway needs.

To use these centering springs, simply install them in your #711, #712, #714, or #715 couplers. They'll help keep your couplers in the right position for smooth operation. When handling the springs, be careful not to bend them too much as it might affect their performance. For maintenance, you can gently clean them with a soft brush to remove any dust or debris. Keep them in a dry place when not in use to prevent rusting.