Snap-On Faceplate Spacer Upgrade for DL4
(function() { var v = document.getElementsByClassName("youtube-player"); for (var n = 0; n -'; } function labnolIframe() { var iframe = document.createElement("iframe"); iframe.setAttribute("src", "//www.youtube.com/embed/" + this.parentNode.dataset.id + "?autoplay=1&autohide=2&border=0&wmode=opaque&enablejsapi=1&controls=0&showinfo=0"); iframe.setAttribute("frameborder", "0"); iframe.setAttribute("id", "youtube-iframe"); this.parentNode.replaceChild(iframe, this); } Upgrade any DL4 (purchased before June 2018) to a non-magnetic faceplate. Includes a retractable metal spacer and snap-on faceplate with 10 mm reticle. Made from an ultra-durable polymer, the faceplate is designed to be used with typical water and alcohol-based immersion fluids and gels.Note: Requires removal of existing spacer, which you may or may not be able to do yourself. To remove the spacer, unscrew the silver retaining ring, then extend the spacer by turning the DL4 dial until y