Headlamp clips for thin-edged helmets- For helmets that do not already have headlamp clips- Four hooks for use with thick-edged helmets.Specifications- Hooks attach to the edge of the helmetAre you interested in Petzl Crochlamp S 4 units? At this moment the product is in stock at Petzl glamorous UK, your online running & triathlon store. At Petzl glamorous UK you can find more running & triathlon products from the brand Petzl. Do not wait any longer and enjoy from Petzl Crochlamp S 4 units in just a few clicks. Discover Petzl glamorous UK´s wide range of running & triathlon supports now.