Mast Adapters: Adapter Type - Service Mast Meter Hub; Configuration - Male Hub; Mast OD - 2.50"; Size - 2.00"; Installation - Non-Threaded/Set-Screw; Additional Information - Fits all Meter Sockets with Regular 2-1/2" Opening
Additional Info: Fits all Meter Sockets with Regular 2-1/2" Opening