The SS60-SLD is a dual frequency, stainless steel thru-hull transducer designed for metal hull vessels. This transducer produces a vertical beam without a fairing, providing excellent echo returns for more accurate depth readings. The nearly flush housing minimizes drag with only 5 mm (3/16 in) extending outside of the hull. The SS60 is currently in use by the US Coast Guard. The dual frequency, 50/200 kHz SS60-SLD offers professional and recreational boaters advantages similar to using a fairing block, but is installed nearly flush to the hull resulting in strong echo returns and accurate depth readings without the drag that is common to similar thru-hull transducers that utilize hi-speed fairing blocks.