DC Barrel Plug Adapter to 6.5mm x 4.4mm from 2.1 x 5.5mm
by PHC Enterprise, Inc.
$3.50
Part #: RC-X641
In: 2.1 x 5.5mm
Out: 6.4 x 4.4mm; center pin is 1mm (also listed as 1.4mm)
Gauge: 18awg
Cable length 3"
Converts DC plug from (socket) 2.1 x 5.5mm to => (plug) 6.4 x 4.4mm
Simple solution to changing your power supply's DC plug size without soldering.