Hex Wired. Black Diamond Wired Hexs, shine in rapidly widening cracks where cams might walk out.. Classic, simple, lightweight, functional, with a subtly asymmetrical cross-section, flat sides and slight end-wise taper, they offer three different widths when turned on their axes and another when placed end-wise. Easy to rack and place in bottlenecks, Hexes come equipped with durable, galvanized steel cables.