This holder is for keeping the water plants maintenance tools,such as plant tweezers,tongs and scissors etc. The aquatic plant tools holder made of transparent high-grade acrylic material, non-toxic, health and durable to use, unique and gorgeous. Suitable size doesn't need much space, you just install it on the walls of the aquarium. With 7 holes for storing tools,self-fitted screws and a unique bottom design to prevent it from slipping off. Approx. 14.2 x 2.6 x 5.6cm / 5.6 x 1.0 x 2.2inch, package included: 1 x Aquarium Tool Holder and 2 x Screws, can be perfectly used for fish tank.