Just a heads up to people that are interested in this its a lot higher up then your typical wrist rest and i used it for 2 months so i did adjust but it ended up hurting my elbows instead of my wrists.
http://i.imgur.com/K7FhWva.jpg?1 is a pic showing the heights the front one is a ducky tkl wrist rest the middle is one i made myself thats level with my ducky mini and the 3rd is the glorious pc one which as u can see is quite a lot higher then all the rest.