Airmar B75Hw/20° Tilt600WFlush-mounted bronze housingtilted element inside the transducer accommodates all hull deadrises and eliminates the need for a fairing block. Low medium and high frequency versions provide maximum flexibility for the choice of frequencies. Excellent for fiberglass and wood hulls.Max Depth - 800Suppoarted Deadrise/Transom Angles - 16-24° Deadrise Product : GARMIN B75H BRONZE 20 DEGREE THRU HULL 600W 8 PIN Manufacturer : GARMIN Manufacturer Part No : 010-11634-22 UPC : 753759971984