Features on the item:

• 1/4" Square drive sockets with ball lock
  
• Suitable for 1/4" square drive sockets with ball lock
  
• 8794 a Zyklop extension, 1/4"
  
• For 1/4" square sockets with ball lock
  
• Equipped with ball stop groove
  
• 1/4″ Zyklop universal joint
• For 1/4″ square sockets with ball lock
• Chrome vanadium/chrome molybdenum steel, matt chrome-plated