Product information for Petzl Tandem Pulley
Designed for use with Tyrolean traverses on rope.
- Sheaves fitted with self-lubricating bushings for good efficiency.
- May be used at speeds of up to 10 meters/second.
- Can be used to build rope pulley systems.
Manufacturer: Petzl
Manufacturer Item Number: P21

http://www.remotemedical.com/Petzl-Tandem-Pulley