Kenwood part number: B30-0865-15 is no longer available from Kenwood parts.
These fit the following radios maybe more: TM-641,721,731,732,733 and TS-50/60.
The updated # is B30-0865-25 and they are available.
Hint the last 2 number are Rev numbers. If you leave them off the search engine will pull up all available or discontinued.