Downspout Extension Flip-Up Hinge for 2x3 Downspout (2X3 B, WHITE-LATCH) Hinges for 2x3 downspout extensions are made of .040 Galvanized steel then coated with a baked on powder coated finish (the toughest paint available). 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. Hinges come with installation instructions & screws. "A" STYLE COMES OUT AT YOU. "B" STYLE GOES TO THE RIGHT OR LEFT. Proudly Made in the USA!!!