<p>This adapter converts HO scale Rivarossi and AHM coaches with long non-standard horn hooks to accept standard Kadee knuckle couplers.</p><p>Features:</p><ul><li><strong>Easy installation:</strong> snaps into place just like the original coupler.</li><li><strong>Compatibility:</strong> accommodates standard-sized draft gear boxes.</li><li><strong>Materials:</strong> can be printed in PLA or ABS using a 0.4mm nozzle.</li><li><strong>Printing recommendations:</strong> also suitable for resin printing with Anycubic ABS-like pro 2 for a cleaner finish.</li></ul>