Product Information : Tetra Tec GS 45 Glass Scraper
Manufacturer's product description
The Tetra Glass Scraper effortlessly removes algae and other dirt from aquarium glass. The 2.5cm stainless blades are easily replaceable (replacement blades supplied) and the jointed blade holder bends to any angle for those awkward corners. The lateral blade edge is shielded to prevent cutting into any sealed parts.