Eskimos Shark Z71 provides high performance from top to bottom including the HyperCoil Assisted Starting system. At the top of the Eskimo Shark Z71 sits a Viper engine-designed specifically for ice augers. The Viper delivers high torque/high RPM for unmatched cutting speed. Eskimos exclusive Quantum blades also deliver unmatched cutting speed with a controlled and smooth cut. Eskimo Ice Augers - Faster-Smoother.