PETZL - Laser Speed, Ultrahigh Performance Ice Screw with Integrated Crank EQUIPPED: Steel tube for easy bite and screwing in any conditions. DURABLE: Lighter tube and optimized threads for increased durability. MAKES IT EASIER TO CLIMB: The shape of the drill is optimized to facilitate bite into the ice. EXCELLENT GRIP: Integrated flexible crank provides excellent grip and an optimized lever, making it easier and faster to screw in. ORGANIZE: Color-coding facilitates identifying the length of a screw.