Forged from quality chrome-vanadium steel, chrome-plated, and mirror-polished, it's wear-resistant, drop-resistant, and rust-resistant. Super thin (3mm) design for accessing tight spaces with ease. Includes 10 double-ended wrenches, each in two sizes, providing more options. Standard open-end passivation design prevents damage to screws. Sizes: 6 x 7mm, 8 x 9mm, 10 x 11mm, 12 x 13mm, 14 x 15mm, 16 x 17mm, 18 x 19mm, 20 x 21mm, 22 x 24mm, and 24 x 27mm., Weight: 1.2676580065 pounds, Manufacturer: QWORK