Its contoured design with non-slip grooves ensures a secure grip for effortless plugging and unplugging. Easy to use, simply connect your 15A appliance to the adapter’s female end, then plug its male end into the 30A power station outlet.
Shaw Plugs 1-7/8″ Expansion Plug, 2527K34
These are new in the original package. They are selling at McMaster for $46 each.