Best-1 Flex-Fit 5 in. is a 3 ft. L Best-1 gutter guard protecting 5 in. W gutters and is the premium Raised Leaf Pattern Screen gutter cover. Simple and Easy to install with screws (provided), the Raised Leaf Pattern Screen is designed to allow for maximum water flow into the gutter system. It also assists in self-cleaning debris off by the raised screen pattern and protects the gutter system from debris and leaves entering. Color: Mill Finish Aluminum.