With the new ISO sizes 16, 18 and 21 mm, 15-piece. Hardened and tempered, 2x nickel-plated and 1x chrome-plated, with clearly legible wrench sizes. Ring side angled at 15°, according to DIN 3113 and ISO 3318. Polished heads, slim and thin-walled (torque values are nevertheless much higher and measurement tolerances are tighter than required by DIN/ISO). Each piece is calibrated and subject to final inspection. Consisting of: SW 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 21 mm Item article design ring spanner properties angled, thin-walled, polished, slim, chrome-plated, nickel-plated main colour silver jaw position 15 ° 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, 21 mm