These black chrome HexPro pivot head hex wrenches allow tool users to insert the wrench into the socket head screw 1 time only， pivoting around obstacles. The forged hinges provide a simple， effective， patented design. Fewer pieces make the wrenches stronger and less likely to break.

• Heat treated high quality industrial tool steel
• Joints are engineered to be as small as possible without weakening the tool
• Pivot head wrenches allow tool users to insert wrench into socket head screw one time only， pivoting around obstacles
• Long handles for extra reach
• Black chrome finish to prevent corrosion
• Metric sizes: 4 mm， 5 mm， 6 mm， 7 mm and 8 mm
• Lifetime warranty