Black Diamond - Grappling Hook Blem
Black Diamond - Grappling Hook Blem. The Grappling Hook, with its greater clearance, is designed to be used when hooking deeper objects. Slightly oversized, this highly versatile hook works on a wide range of edges and flakes. Its wide bipod base is remarkably stable on even small edges. This hook is great for big wall climbers and ground-up ascents.