Surface 2x nickel-plated and 1x chrome-plated, 21-piece. Laser engraved with clearly legible wrench sizes, polished heads, slim and thin-walled. Nevertheless, the torque values are much higher than required by DIN/ISO. Measurement tolerances are tighter than specified by DIN/ISO. Each piece is calibrated and subjected to final inspection. Consisting of: SW 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 24 - 27 - 30 - 32 mm Item Type Ring spanner Features thin-walled, polished, slim, chrome-plated, nickel-plated Main color silver Wrench size 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 24 mm, 27 mm, 32 mm