TORQUE WRENCH > TECNOGI > INTERCHANGEABLE HEADS > RING END   Mod. mm Drive 903.7 7 9x12 903.8 8 9x12 903.9 9 9x12 903.10 10 9x12 903.11 11 9x12 903.12 12 9x12 903.13 13 9x12 903.14 14 9x12 903.15 15 9x12 903.16 16 9x12 903.17 17 9x12 903.18 18 9x12 903.19 19 9x12 904.13 13 14x18 904.14 14 14x18 904.15 15 14x18 904.16 16 14x18 904.17 17 14x18 904.18 18 14x18 904.19 19 14x18 904.21 21 14x18 904.22 22 14x18 904.23 23 14x18 904.24 24 14x18 904.27 27 14x18 904.30 30 14x18 904.32 32 14x18 904.34 34 14x18 904.36 36 14x18