Ice Tool Viper Hammer. Black Diamond Viper Ice Tool Hammer provides all-around performance for the ice and alpine climber.. It’s a durable, easy-to-swing tool built for a full season of winter climbing objectives. The Viper`s hydroformed shaft extends through the grip for maximum rigidity and a responsive feel, and the Natural Pick is included to beef up durability on scrappy mountain terrain. The adjustable FlickLock® pommel acts as a secondary grip position for ice climbing and cragging and easily slides up the shaft for choking up on low-angle snow slopes. The modular head allows for easy changing of picks and swapping between hammer and adze.