<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div>Vance,</div><div>There is a depth gauge on ebay , an original old stock Perry gauge. Curious though, it is only for 350 feet depth.</div><div>Hank</div></div></body></html>