W968-5 is the different type of W968(HL5) Special. The major difference of these two types are wood, the former is made of limber, and the latter is made of harder wood, rosewood. Therefore, W968-5 provides the higher speed and better blocks. It is suitable for less aggressive players.
All DHS product are original, there is a serial code on the product （Serial code system is only providing for Rubbers, Blades & Factory-made Rackets only.）, you can verify the product online on DHS website（http://www.dhs-sports.com/search.shtml）.
Blade Number is sending randomly