Bird Tail Key Pins 4-3/8'' - Set of 2 Total assembled measurement is 4.37"W x 0.83"H x 0.2"D (111mm x 21mm x 5mm) Total length of the key measures 4.4" (111mm). Post section of the key meausres 3.5" (90mm). Post diameter measures 0.2" (5mm) Set of 2