Swap transducers without putting unwanted holes in your boat below the waterline.The Stern Saver is the worlds first glue-on high density polyethylene transducer mounting block. Made from genuine King Starboard. Its also a great mount for switches, fuel separators, livewell and bilge pumps and more!Because water infiltration and transom rot” can occur from holes in your boat below the waterline. The Stern Saver gives you peace of mind that your boat will not have leaks due to unnecessary holes drilled into the stern to mount electronics and other accessories.Installation kit included with each Stern Saver. Available in four colors to best match your boat. 100% Made in the USA.The Stern Saver is not to be used to mount grab rails, or any structural or heavy devices over five pounds. Dimensions: 4 1/2"W x 3 1/2"H x 3/4"THow to Install Stern SaverPrep area and stick on mounting spike.Dispense glue into the Stern Saver.Stick it on your boat.Mount transducer or other accessories.