Petzl Croll Chest AscenderThe Petzl Croll chest ascender is a compact and reliable tool for efficient rope ascents. It features two attachment holes, including an angled lower hole to keep it flat and an upper hole for a shoulder strap. Made with a lightweight aluminum frame and stainless steel cam, it is highly resistant to corrosion. The toothed cam with self cleaning slot ensures optimal performance in any condition, including icy or muddy ropes. The Petzl Croll is a