Petzl Tandem Speed
Here's what other sites are saying:
Stainless steel sheaves for greater durability., Sheaves fitted with sealed ball bearings for high efficiency., May be used at speeds of up to 20 meters/second., Can be used to build rope pulley systems., Breaking strength : 24 kN, Working load : 10 kN, For use on cable (12 mm maximum diameter) and on rope (13 mm maximum diameter)., 270 g
- Ramsey Outdoor
The Petzl Tandem Speed is the fastest of the transport pulleys and is specifically designed for ropes course zip lines and lower-angle tyroleans.
The Tandem Speed Pulley from Petzl is the fastest of the transport pulleys and is specifically designed for ropes course zip lines. It's an efficient double pulley for use on ropes and cables.
- Mountain Gear
The Petzl Tandem Speed Double Pulley is made with stainless steel sheaves and ball bearings for excellent durability and sustained speed.