The Petzl Tandem Speed is an efficient double pulley with stainless steel sheaves and ball bearings.

Designed for Tyrolean traverses on cable or rope, the Petzl Tandem Speed accepts up to three carabiners to facilitate use.

Features

• Stainless steel sheaves for excellent durability. 
• Sheaves mounted on sealed ball bearings for sustained speed, independent of the weight of the person, temperature, or humidity. 
• Maximum allowable speed: 20 m/s. 
• Accepts up to three carabiners to facilitate use. 

Specification

• Manufacturer: Petzl
• Mpn: P21 SPE
• Breaking Strength: 24kN
• Self Jamming: No
• Working Load: 10kN
• Weight: 270g
• For use on cable (12 mm maximum diameter)
  and on rope (13 mm maximum diameter)
  Certification: CE / UIAA