Stern Saver Glue-On Transducer Mounting System Beware of similar looking peel-and-stick imitations that are made of inferior plastic, that can fall off your boat. Forms a super strong mechanical bond to your boat that is much stronger than 3M double sided tape No tools necessary, pre-packed with everything you will need for installation. Installs in ten minutes or less. The only transducer mount trusted by over 350 fishing retail stores world wide. The toughest, most durable transducer mounting system available. Fabricated from marine grade polyethylene plastic, not injection molded low-grade plastic.