This is a custom frag rack. Holds tight thru glass with powerful neodymium magnets encased in acrylic. Measures 14.2in x 3.85in. These are the coolest racks on the market. Designed by Reefers for Reefers. The inner hex hold small plugs tight and flush with rack. The larger plugs all sit right on top as a regular rack. We also offer a new to market plug. It is the 1/4in Hex that was laser cut from the top. These new plugs fit securely and snug into the top of rack. This offers a full range of plug types and configurations for your coral!