Petzl Tandem Pulley P21

A double pulley designed for use on horizontal lines The Petzl TANDEM pulley, with double sheaves designed for use on horizontal lines, has self-lubricating bushings and an aluminium sheave for efficiency. It allows use with three carabiners to make manoeuvres easier. Detailed Description: Self-lubricating bushings and an aluminium sheave for high efficiency.
 
It allows up to three carabiners to be attached to make use easier. Specifications: Rope diameter: 13 mm or less Sheave diameter: 21 mm Efficiency: 71% Maximum working load: 10 kN Weight: 195 g Certifications: CE EN 12278