Octagonal Key Pins 2.6" - Set of 2 Total assembled measurement is 2.91"W x 0.35"H x 0.24"D (74mm x 9mm x 6mm) Total length of the key measures 2.9" (74mm). Post section of the key meausres 2.6" (66mm). Post diameter measures 0.1" (3mm) Set of 2