Garmin AIRMAR B175M Thru Hull Transducer (MPN: 010 11939 21) _batch2 The durable powder coat finish The durable powder coat finish in black not only adds to the aesthetic appeal but also contributes to the longevity of the springs by providing resistance against corrosion These adhesive backed mounts feature a #10 screw mount for secure attachment to any drillable surface High performance transducer for accurate depth and temperature readings Step Up To 1 Kilo Watt Without A Fairing With This Flush Mounted Bronze Housing That Protrudes Less Than 1 4 Inch Outside The Hull And Can Sit On The Trailer Rollers Bunks Without Damage