[Professional] The sensor mounting plate is specifically designed for certain sensors, suitable for models compatible with XNT 9 20, XNT 9 20 T, XNT 9 QB 90 T, XNT 9 QB 90, XNT 9 SI 180 T. [Compatible] The transom mount hardware kit is also compatible with fish detection sensors. Compatible with: suitable for 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. [HIGH QUALITY] The sensor mount bracket kit is constructed from ultra-high quality material, ensuring durability in ocean or lake environments. Long service life allows for confident purchase. [Advantages] The sensor mounting kit provides a stable installation position, enabling more accurate detection data. Its simple and convenient installation can be completed in just a few minutes, enhancing your fishing and outdoor experience. [Service] If you encounter any issues during use, please contact us immediately for high-quality assistance. Colour: Black Material: Plastic Package Contents: 1 * transducer mount kit Only the above package content; other products are not included. Note: Light reflection and different displays may cause the item color in the picture to differ slightly from the actual item. The allowed measurement error is +/- 1-3cm.