Chassis hole size：35.5×35.5mm
External dimensions ：42.5×40.5×36.8mm
Material : ABS , Phosphor Bronze
10PCS/White box , 400pcs/carton
Carton size: 38.5X32X27cm
The size of installation hole are square shape, which can be achieved without re-opening the hole , just turn the outlet of direction. For the position , it is more elastic and strong, and the iron card will be more stable .