Coin Key Pins 4-1/2'' - Set of 2 Total assembled measurement is 4.02"W x 1.06"H x 0.2"D (102mm x 27mm x 5mm) Total length of the key measures 4" (102mm). Post section of the key meausres 3.5" (89mm). Post diameter measures 0.2" (5mm) Set of 2