Set of 8 spanners which is made of chrome vanadium steel Coated with nickel Chrome to protect from rust or corrosion Additional add-on feature at the open end of the jaw ensures no slippage The spanner set contains 8 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, 18 x 19 mm, 20 x 22 mm respectively Ideal for tightening or loosening fasteners at home, garage, office, construction sites Spanner set for home & professional use