Prorazor Scraper, Aquarium Moss Removal, Cleaning, 18.1 inches (46 cm), Replacement Blade Included (10 Pieces), Stainless Steel Producer with 18.1 inches (46 cm) Total Length: 18.1 inches (46 cm). Comes with 10 razor blades (depending on the time of shipment), please connect the shaft and main unit (separate at the time of delivery). Instruction manual for product is not included. Brand new in box.