The Humminbird MHX XNPT Transducer Hardware kit turns any unit with an XNT transducer into a portable transducer application. This set comes with the mounting hardware and suction cup. Brand: Humminbird Model: 740090-1 Compatibility: For portable XNT transducers., XNT 9 20 T, XNT 9 QB 90 T, XNT 9 SI 180 T, XNT 9 QB 90, XNT 9 20, XNT 9 DI T, XPT 9 20 T, 1157c, 1158c, 1158c DI, 141C, 161, 323, 325, 343C, 345c, 345c DI, 363, 365i, 383C, 385ci, 385ci DI, 515, 525, 535, 550, 560, 565, 570, 570 DI, 570 DI Portable, 570 Portable, 575, 580, 581i Combo, 585C, 586C, 586c HD, 587CI, 587ci HD, 595C, 596C, 596c HD, 596c HD DI, 597CI, 597ci HD, 597ci HD DI, 717, 718, 727, 728, 737, 747c, 767, 768, 777c2, 778C, 778c HD, 785 c2, 787c2, 787c2I, 788C, 788ci, 788ci HD, 788ci HD DI, 798c SI, 798ci SI, 798ci HD SI, 858c, 858c DI, 917C, 957c, 958c, 958c D, 981C S, HDR 610, MATRIX 10, MATRIX 12, MATRIX 15, MATRIX 17, MATRIX 20, MATRIX 25, MATRIX 27, MATRIX 35, MATRIX 37, MATRIX 55, MATRIX 65