Definitely worth the investment

Mounting inserts for easy installation on VERTEX   helmets

Uniquely profiled spine to aid correct orientation

Made from strong steel and built to last

Blade can be purchased separately

Petzl Footcord Brand_Spelean Definitely worth the investmentThe Petzl Footcord is an essential tool for efficient rope ascents. The high modulus polyethylene construction offers increased durability, while the adjustable elastic ensures secure foot placement regardless of shoe type. Pair with the ASCENSION or BASIC rope clamp for optimal performance. Attaches to an ASCENSION or BASIC rope clamp for rope ascents HMPE (high modulus polyethylene) construction for reinforced durability Elastic keeps foot in loop,