A. 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, XNT 9 SI 180 T. B. The 7400931 XNT Transom Mount Hardware Kit is also compatible with fish detection sensors, including 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, 998c SI GPS. C. The sensor mount bracket kit is made of ultra-high quality material, which is durable in the ocean or lake and has a long service life. D. The sensor mounting kit helps to provide a stable installation position, enabling you to obtain more accurate detection data. It is simple and convenient to install and can be completed in a few minutes. E. If you encounter problems during use, please contact us immediately, and we will provide you with support. F. Colour: Black G. Material: Plastic H. Package Contents: 1 * transducer mount kit (Only the above package content, other products are not included.) I. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.