• DOUBLE OPEN-ENDED: Each SPANNER comes with two sizes.
• HIGH QUALITY: Each wrench is made of heat-treated chrome vanadium steel, which has a higher hardness. The surface is mirror chrome plated, corrosion-resistant and rust-resistant. Extended service life.
• INCLUDED SIZES: Contains 6 spanners of the following sizes: 6 x 7 mm, 8 x 9 mm, 10 x 11 mm, 12 x 13 mm, 14 x 15 mm, 16 x 17 mm respectively
• CHROME VANADIUM STEEL: Treated for long-term durability under highly corrosive work environments. High strength drop forged steel.
• WIDE APPLICATIONS: All mechanics need thin SPANNER occasionally to work on bicycle, motorcycle, car repair, maintaining, household, machinery, and electric power