Feature: 1. Efficient: The aquarium scraper with blade can easily slide all items out of the glass tank, and can also be used as a gravel shovel with a protective cover. 2. Safe To Use: This aquarium algae scraper uses premium blades to provide efficient cleaning without scratching your glass tank, and it is safe to use. 3. Replaceable Blade: Algae scraper includes 5 blades, which are easy to remove and replace. With blade protector, it can prevent accidental injury and prolong the life of the blade. 4. Lightweight And Durable: Fish tank algae scraper is made of premium ABS plastic, with a firm and durable structure. Lightweight and easy to use. 5. Easy To Use: Scraper cleaner kit is very effective for algae and even stubborn coral lines. It is equipped with different blades to meet the needs of different fish tank. Specification: Item Type: Aquarium Algae Scraper Material: ABS. Package List: 1 x Aquarium Algae Scraper Pole5 x Blade 1 x Screw 1 x Nut 1 x Hex Wrench 1 x Pressure Plate of Algae Scraper 1 x Pressure Plate Buckle of Algae Scraper 2 x Extension Rod 1 x Extension Rod Adapter Note: Manual measurement, please allow 13cm error.