The best lacrosse head for defense. The StringKing Mark 2D was built to be a dominant defensive head for men's lacrosse. It features a strong construction for punishing checks, wide face shape for disrupting throws, and an aggressive scoop for winning ground balls. Shop the Mark 2D defense lacrosse head. The Mark 2D defensive lacrosse head features an ultra-stiff construction and wider face shape designed for harder checks and better ground ball control.