Wera Open Ended Insert Insert, 10 → 13 mm

The Wera 7870 Joker S is a self-setting insert spanner designed for enhanced efficiency in tightening and loosening hexagon screw heads and bolts. With its mounting compatibility for torque wrenches from the Click-Torque X series, this spanner automatically adapts to various wrench sizes ranging from metric dimensions of 10 to 13 mm to imperial sizes of 7/16 inch and 1/2 inch. Engineered with a ratchet mechanism, it enables quick and dependable screw driving without the need to remove the tool each time. The innovative design includes a laser-engraved QR code for easy torque Value determination, while the unique jaw structure features continuous parallel jaws that grip securely, minimising the risk of slippage and damage, making it a versatile addition to any toolbox.

• Self-setting feature automatically adjusts to the right size when attached to bolts or screws
  
• Ratchet mechanism enables fast and efficient screw driving without removing the tool
  
• Designed for use with torque wrenches from the Click-Torque X series which ensuring accurate performances
  
• Continuous and parallel jaws provide secure gripping, reducing slipping and potential damage
  
• Laser-engraved QR code simplifies the process of determining correct torque values
  
• Low return angle of only 30° allows for effective use even in tight spaces
  
• Manufactured from chrome vanadium steel for high durability and performance under load
  
• Versatile compatibility for various hexagon screw and bolt sizes, covering both metric and imperial dimensions