Up Aqua’s 6″ maintenance tool holder fits on the edge of rimless glass aquariums, up to an 10mm or 3/8″ glass, or sump. This tool holder is able to hold more scissors, sand scrapers, and other tools required to maintain your planted aquarium. It also creates a professional look to your setup. 5 holes, 2 slotted holes, and 2 hangers Dimensions: 6 x 1.5 x 2 in