Hotwire Carabiner. Black Diamond HOT WIRE CARABINER is the biner that started the wiregate revolution.. It is an integral part of any climber's rack, due to its versatility. Equally at home on either end of a quickdraw, racking cams or on alpine slings, it excels as a multi-use wire gate carabiner. With updated geometry and a hot-forged construction—allowing them to remove weight where it’s not needed and add material where durability is key—the updated HOT WIRE has a deeper basket for better clipping, while the hinge-end basket is flatter to hold the webbing of quickdraws more securely. A larger rope-bearing surface adds durability not only for the carabiner but for your rope as well. Black Diamond has also optimized the nose geometry to allow for efficient rope clipping and clipping and unclipping from bolts. The HOT WIRE is a modern classic and ideal for everything from after-work sport cragging to big-wall free climbing and long alpine ice routes.