Features: The products is designed according to the human engineering principle. It is made of top graded stainless steel materials, easy and convenient to use.OOTDTYSpecial design for cleaning fish tanks.Extension arm included.Only for glass aquarium. Do not use it on Acrylic or Plastic aquarium surface.Effectively remove algae attached on glass surface.Specification: Material:Stainless SteelLength: 66.00cm/25.98"Scraper size(LxW):4.30x1.80cm/1.69"x0.71"Package Includes: 1 x Algae-Scraper Cleaner1 x Bladenote: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!