FEATURES: Redesigned stainless steel construction is durable, resists snowballing and won't 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