Kadee 308 - HO, S, On3, On30, O Scale - Under-the-Track Hidden Delayed-Action Magnetic Uncoupler

HO, S, On3, On30, O Scale - Under-the-Track Hidden Delayed-Action Magnetic Uncoupler A permanent magnet and steel intensifier plate are included along with instructions. Magnet Dimensions - 2 L x 1-1/2 W x 3/16 H inches Intensifier Plate Dimensions - .045 inch thick O-SCALE: Because of the thicker ties and higher rail in O-scale it will be necessary to use 2 or 3 magnets stacked together and one steel intensifier plate on the bottom of the stack. On some track you may need to trim the bottom of the ties to fit the magnet(s) closer to the rails. (NOTE: Track not included.)