• Service approximately 90% of all vehicles equipped with spring-loaded
  serpentine belt tensioners.
• Ratcheting action allows quickly an easy positioning of wrench driving
  end for tensioner access from any angle.
• Specifically designed to fit into tight areas.
• For use when servicing serpentine drive belts or any belt-driven accessories.
• Socket size: 8, 12, 13, 14, 17, 18, 19, 24mm and 3/8", 1/2", 5/8".

• Service approximately 90% of all vehicles equipped with spring-loaded
  serpentine belt tensioners.
• Ratcheting action allows quickly an easy positioning of wrench driving
  end for tensioner access from any angle.
• Specifically designed to fit into tight areas.
• For use when servicing serpentine drive belts or any belt-driven accessories.
• Socket size: 8, 12, 13, 14, 17, 18, 19, 24mm and 3/8", 1/2", 5/8".