Aquarium -Planaria Worm Catcher Trap Highlights Generic Planaria Worm Catcher Trap Description: Made of high quality crystal glass, light resistant, acid and alkali resistant, no corrosion, the flatness is good, no water ripple Planaria traps are designed with 1 or 3 holes, which can effectively trap planarians to reduce the population of planarians in an aquarium. Planaria trapped inside the tube will never be able to get out of the designed hole. High carbon stainless steel, strong and sharp hooks. This listing only includes a box of hooks Specification: Planar Trap Material: Glass Color: Clear Size: Total Length: Approx. 9.5cm/3.74inch, diameter: approx. 2.8 cm / 1.10 inch, Glass Stopper Length: Approx. 5cm/1.97inch, bottom length: approx. 7 cm / 2.76 inch Hooks Material: high carbon steel Color: black Size (H x W): 21 x 11mm / 0.8 x 0.4inch Package includes: 1 Piece Planar Trap 1 box of 70 fishing hooks Note : Since the size above is measured by hand, the size of the actual item may be slightly different from the size above. Due to lighting effects, monitor settings etc. There could be a slight difference in the color tone of the pictures and the actual item.