Each hinge comes with a Metal Latch or Velcro Tab as shown in the picture The Metal Latch or Velcro Tab keeps the extension up when raised and fastened
"A" style is noticeable.
"B" style move in a horizontal direction.
Hinges for 3X4 downspout extensions are made of .040 Galvanized steel then coated with a baked on powder coated finish (the toughest paint available)
Proudly Made in the USA!!!!!
Hinges come with installation instructions & screws.