Corsa NanotechThis more technical version of the Corsa has a single curve shaft and Sandvik Nanoflex steelreinforced tip and spike for a solid grip on hard snow and ice Lightweight materials combined with steel components keep the weight low and the performance high Single curve shaft provides extra clearance without interfering with walking or plunging performance Nylon spike plug keeps snow out of the shaft Machined grip for good handling Small head slot for