Airmar B164 Bronze Thru-Hull Transducer w/Humminbird #9 Plug - 7-Pin - 12 [B164-12-HB]B164 Bronze Thru Hull Transducer w Humminbird #9 Plug 7 Pin 12 Step up to a 1kW Without a Fairing! Airmar has taken our innovative Tilted Element technology to a higher power. The 1kW, flush mount, Tilted Element transducer is perfect for fast, trailered, tournament sportfishing vessels that cannot have a High Performance Fairing. The flush mounted, bronze housing protrudes less than 6. 35 mm (0. 25") outside your hull and can sit on trailer rollers