We no longer carry this product. However the new Sewell Octal USB to Serial Adapter (SW-29347), does the same thing. It features the same internals (FTDI chipset), updated design and improved functionality . Best of all you get all these things at a lower price!
Don't forget to pick up a few serial cables!
Sewell Direct offers a 30-day money back guarantee and a 1 year warranty on all open box products.