Petzl Croll Chest Ascender – Chest rope clamp

The Croll makes a straightforward and proficient framework for climbing settled lines.

Petzl’s Croll is a chest ascender. When used with a chest strap and Petzl’s Ascension or Basic, the Croll makes a simple and efficient system for ascending fixed lines. The angled attachment hole keeps the device properly aligned on the chest. The chrome-plated steel cam with calculated teeth and self-cleaning opening safely holds the rope, indeed in sloppy or frigid conditions. The angled attachment hole keeps the device properly aligned on the chest for better efficiency in use. The upper hole is used to attach the shoulder strap.

$104.95
SKU: PT-B16BA
Categories: Rope Access, Rope Grabs
Tags: , ,

Description

Petzl Croll Chest Ascender – Compact Rope Clamp for Smooth, Efficient Vertical Movement

The Petzl Croll Chest Ascender is a core component in any vertical ascent system, trusted by rope access technicians, cavers, and rescue professionals worldwide. Designed to be used in conjunction with a handled ascender or a basic rope clamp, the Croll provides frictionless movement on rope while maintaining excellent grip and minimal bulk on your chest harness.


Optimized for Comfort and Performance

Have you ever struggled to maintain an upright position during an ascent? Do you need a system that integrates seamlessly into your chest harness without restricting movement? The Petzl Croll offers exactly that.

Its low-profile, ergonomic design ensures it stays out of your way while climbing, and the stainless steel wear plate reinforces durability for long-term use, especially in dirty or abrasive environments like confined spaces or outdoor towers.


Key Features:

  • Compact and lightweight: fits tightly against the body, improving balance and efficiency during rope ascents

  • Durable stainless steel cam and wear plate: resists corrosion and abrasion

  • Effortless rope glide: allows for fluid upward movement on vertical rope

  • Self-cleaning cam: performs reliably even in muddy or icy conditions

  • Easy to use: compatible with harness chest straps for stable positioning

  • Certifications: CE EN 567, CE EN 12841 type B, UIAA

  • Compatible rope diameters: 8 to 11 mm


The Petzl Croll Chest Ascender is an essential tool for any professional working in vertical environments. Whether you’re scaling telecom towers, performing high-angle rescues, or navigating tight cave systems, this compact ascender offers reliable performance when it matters most.

A safety catch prevents the cam from opening too far, keeping the rope captured for added safety. The CROLL is for use with ropes between 8 mm and 11 mm in diameter. Its frame is aluminum. The cam is constructed of stainless steel.

  • Compact, lightweight chest rope clamp
  • Used with the Ascension handled rope clamp for ascending a rope
  • Toothed cam with self-cleaning slot optimizes performance under any conditions (e.g. rope that is icy, muddy, etc.)
  • The stainless steel cam has better resistance to corrosion
  • The rope channel is reinforced with stainless steel for greater durability
  • The catch is opened by pinching for easy, simple manipulation
  • The lower hole is angled to keep the device flat
  • Upper hole for attaching a SECUR shoulder strap to keep the rope clamp in position
  • SKU: PT-B16BAA
  • SKU: PT-B16BAA00

Additional information

Weight 0.8 lbs
Dimensions 6 × 4 × 2 in
Weight (lbs)

0.3

Material

Aluminum Alloy Side Pieces, Stainless Steel Cam

Rope Diameter

8 mm – 11 mm S 8 mm – 13 mm L

Manufacturer

Petzl