The sensor mounting plate is designed for XNT sensors, compatible with models XNT 9 20, XNT 9 20 T, XNT 9 QB 90 T, XNT 9 QB 90, and XNT 9 SI 180 T. This transom mount hardware kit is also suitable for fish detection sensors and fits 7400931 XNT. 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. Constructed from high-quality materials, the sensor mount bracket offers durability for use in marine and freshwater environments. It provides a stable installation to help improve sonar accuracy. Installation is simple and can be completed quickly, allowing more time for fishing and outdoor enjoyment. If you have any questions, support is available. Color: Black. Material: Plastic. Package includes: 1 x transducer mount kit. Other items not included. Note: Lighting and display differences may cause slight color variation between the image and actual item. Measurement tolerance: +/- 1-3 cm.