The all-around Black Diamond Sabretooth Pro Step-In crampons are suitable for everything from glacier climbing to swinging tools on alpine ice. Now constructed using stainless steel for a design that wont rust, crampons are lighter weight and more durable than previous version stainless steel resists snow balling. Horizontal front points provide excellent stability on snow, alpine ice and rock. Secondary points create a stable platform while kicking steps serrated points bite into snow and ice for secure hold. Redesigned, low-profile heel lever lets you microadjust the fit. Included dual-density ABS plates keep snow from sticking beneath your feet. Pro step-in crampons require boots with front and rear welts designed specifically for step-in style attachment. Boots size 12 and larger require the Long Center Bars, sold separately.