1B-17M 6-22mm ring spanner set

Specifications

• Ac. acc. to DIN 3113, Form B, ISO 3318, ISO 7738
  
• Vanadium steel 31CrV3, chrome plated
  
• Carefully forged and professionally machined
  
• Ring: 10° offset from the shaft, with UD profile for smooth force transmission
  
• Overload indicated by deformation
  
• The offset ring ensures better grip on deeply seated or inserted nuts or bolts
  
• High-grade industrial quality for the toughest continuous use
  
• Dull appearance due to matte chrome
  
• Jaw: Precision ground to the exact nominal size for ideal contact areas
  
• Open end with fine ribs for increased strength ensures maximum torque
  
• 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 & 22mm