Black Diamond Serac Crampon-Strap. The Serac's redesigned stainless steel construction incorporates a strong yet light design with rocker in the front rail to accommodate modern mountain boots. Horizontal frontpoints provide secure bite in icy steps while the classic secondary points and substantial rear points offer stability on descents and low-angle terrain. Specifications for Black Diamond Serac Crampon: Manufacturer: Black Diamond Type: Strap Fabric/Material: Stainless Steel Weight: 1.9 lb Features of Black Diamond Serac Crampon Redesigned stainless steel construction is durable resists snowballing and wont rust Versatile horizontal frontpoints with classic secondary points and stable rear points Low-profile micro-adjust heel bail offers precision fit Pro version is for technical boots; Clip version is for mountain boots without a toe welt; Strap version is for non-technical footwear For use on a ski boot you will want to order wide toe bails sold separately Includes front and rear dual-density ABS Package Contents: Black Diamond Serac Crampon Black Diamond Serac Crampon-Strap