iButton E6 Dimensions:
Outside Body including handle Height: 6-1/4 inches
Width: 2-5/8 inches
Thickness: 3-3/8 inches
Inside Body including handle Height: 6-3/8 inches
Width: 2-5/8 inches
Thickness: 3-3/8 inches
Handle Length: 5-3/8 inches
Protrusion from Lock Body: 2 inches
*Note - above dimensions do not include 1/8" thick rubber trim plate included with lock and sinstalled between lock and door.