Lego Parts: Tile, Modified 1 x 2 Grille with Bottom Groove (PACK of 4 -Blue)

The Blue Tile, Modified 1 x 2 Grille with Bottom Groove was released in 1991 and has been used in 114 sets to date in the following categories: Adventurers (2) Alpha Team (3) Aquazone (2) Boat (1) Castle (1) Creator (4) Designer Sets (4) Exo-Force (1) Factory (1) Harry Potter (1) Idea Book (2) Inventor (1) Legends of Chima (2) Model Team (2) Ninja (2) Racers (10) Space (11) Star Wars (17) Studios (1) Technic (5) Time Cruisers (2) Town (37) Train (1) Universal Building Set (1)