·6pc metric extra long box end wrench set are manufactured with high strength chrome vanadium alloy steel which place great value on quality and performance；

·Full polish chrome finish for rust prevention and easy cleaning, oil and dirt wipes right off;

·The extra long wrench with 12 points provide added grip and contact with the bolt;

·Aviation wrench has a long crossbeam and a slender shaft with a thick ring head for added leverage and torque for extra turning power, making it ideal for hard-to-reach

 workspaces.

·Sizes: 8 x 10, 9 x 11, 12 x 13, 14 x 15，16 x 17, 18 x 19mm.