Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Aquarium Rim Tool Holder, by Poth-O-Carry® from $9.99 A condensed tool holder, fits on most aquarium rims. This has four loops and six hooks for hanging various tools. Color: Select Color Black Blue Green White Your Aquarium Rim Style: Select Your Aquarium Rim Style Rimmed up to 1" not including the inner support for the hood. Rimless up to .5" Quantity: Purchase Added! A condensed tool holder, fits on most aquarium rims. This has four loops and six hooks for hanging various tools.