RPC Phone Holder Converts the Business Card Holder Into a Cell Phone Holder in Select 2009-15 Dodge Ram Trucks - Small Easily converts the business card holder into a phone holder. Please measure your phone before ordering! Small: Accommodates phones up to 75mm wide and 13.5mm thick, or 2 15/16" wide and 1/2" thick. Medium: Accommodates phones up to 84mm wide and 18.5mm thick, or 3 5/16" wide and 3/4" thick. Large: Accommodates phones up to 94mm wide and 18.5mm thick, or 3 11/16" wide and 3/4" thick.