It sounds like you are referring to the Petzl Ultralegere Pulley. This pulley is indeed incredibly lightweight, weighing only 10 grams, and is designed for use in emergency kits, self-rescue situations, and occasional use during rope maneuvers. Despite its small size and weight, it can still handle ropes up to 7mm in diameter and has a maximum working load of 1 kN.
- Weighing only 53 grams, this device is lightweight and easy to handle.
- It is compatible with static ropes that range in diameter from 8mm to 11mm.
- The device features a sheave diameter of 25mm, which helps to ensure smooth and efficient rope movement.
- It has a minimum breaking strength (MBS) of 15 kN, providing you with confidence and security during use.
- Additionally, this device is capable of handling a maximum strength of 4 kN when used for progress capture purposes.
MANUFACTURER PART NUMBER: P053AA00