Bird Tail Key Pins 3.3" Set of 2 Total assembled measurement is 3.31"W x 0.83"H x 0.2"D (84mm x 21mm x 5mm) Total length of the key measures 3.3" (84mm). Post section of the key meausres 2.5" (64mm). Post diameter measures 0.2" (5mm) Set of 2