Aqueon ProScraper 3.0 Short Aquarium Algae Scraper
 
Hang holes for easy storage
Blades easily replaced or changed with a Twist & Click
Stainless Steel Blades can be used for hard to remove buildup on Glass Tanks Only 
Plastic Blades reduce risk of scratching walls and for Acrylic Tanks 
Rubberized grip to help reduce slipping when wet