Diem impact carp rod the diem impact carp rod is the best selling carp rod in the uk designed with top uk carp anglers the rod incorporates cutting edge technology reinforced carbon weave braid tested guides double legged eyes all these features and a slim blank the 9ft rod is 25lb test curve the 12ft rod is 30lb test curve diem impact carp rod lined guides screw reel seat two lengths available lightweight 9ft rod and 12ft rod black 9 foot