What is a gutter drip edge? Why do you need one?

What is a gutter drip edge? Why do you need one?

A gutter drip edge is made out of non-corrosive and non-staining materials. It directs water from the fascia into the gutter and are available in aluminum, galvanized steel, fiberglass, copper, and even plastic. Metalworks are best as it is very sturdy and...