The sensor mounting plate is specially designed for XNT sensors, suitable for models XNT 9 20, XNT 9 20 T, XNT 9 QB 90 T, XNT 9 QB 90, and XNT 9 SI 180 T. The 7400931 XNT transom mount hardware kit is compatible with fish detection sensors. Compatible with: XHS 9 HDSI 180 T, HELIX 12 SI GPS, HELIX 10 SI GPS, HELIX 9 SI GPS, 1199ci SI GPS, 999ci SI GPS, 1198c SI GPS, and 998c SI GPS. Made from high-quality materials, the sensor mount bracket kit offers long service life and reliable performance in marine and freshwater environments. The mounting kit provides a stable installation position, helping to ensure accurate detection data. Simple and easy to install, setup can be completed in minutes, allowing you to quickly enjoy fishing and outdoor activities. If you have any questions or concerns, customer support is available to assist. Color: Black. Material: Plastic. Package includes: 1 x transducer mount kit. Note: Other items not included. Due to lighting effects and monitor settings, the actual color may vary slightly from images. Measurement error allowance: +/- 1-3 cm.