The patent pending design allows you to use any old credit card, gift card, hotel room key etc as a scraper blade....you may never have to buy blades again! Blade cards can be inserted in any direction for multiple levels of flexibility.

• Blade cards can be inserted in any direction for multiple levels of flexibility
• Cut your own custom blade card shapes for cleaning difficult curved or tight areas of your tank
• The solid fiberglass matrix handle is practically indestructible!
• Handle grip will vary between orange and black