• 9mm x 12mm Box End Interchangeable Head 7mm
• Spring pinned retainer holds adapter in place on square drive interchangeable torque wrenches
• Off-corner loading design on box end provides better grip and reduces fastener rounding
• 12 point box end for use on both 12 and 6 point fasteners
• Laser etched and hard stamped size marking
• Manufactured from alloy steel for better strength and longer tool life
• Chrome finish easily wipes clean and resists corrosion