Bird Tail Key Pins 5-5/8'' - Set of 2 Total assembled measurement is 5.16"W x 0.83"H x 0.2"D (131mm x 21mm x 5mm) Total length of the key measures 5.2" (131mm). Post section of the key meausres 4.3" (110mm). Post diameter measures 0.2" (5mm) Set of 2