The Great Wall Double Open-End Wrench Industrial Grade Quick Wrench 19x22mm 314131

National brand specializing in hardware tools.

Rigorous quality control with professional torque testing equipment.

Maximum torque value up to 777.

Hardness testing shows hardness up to 46 HRC, exceeding national standards by 1.5 times.

| Size (mm) | Total Length (mm) | Head Thickness 1 (mm) | Handle Thickness (mm) | Head Thickness 2 (mm) | Head Width 1 (mm) | Handle Width (mm) | Head Width 2 (mm) |

|-----------|-------------------|-----------------------|----------------------|-----------------------|-------------------|-------------------|-------------------|

| 5.5x7 | 124.6 | 5 | 3 | 5 | 12.3 | 7.4 | 14.5 |

| 6x7 | 124.3 | 5.2 | 3.2 | 5.2 | 12 | 7.5 | 14 |

| 8x10 | 144.5 | 5.5 | 3.5 | 5.6 | 17.2 | 9.5 | 21.1 |

| 9x11 | 161.1 | 5.9 | 3.8 | 5.7 | 20.9 | 10.8 | 24.4 |

| 10x12 | 160.5 | 6 | 4 | 6.1 | 20.5 | 10.8 | 24.4 |

| 11x13 | 178.1 | 6.5 | 4 | 6.2 | 24.3 | 12 | 29 |

| 12x14 | 178.1 | 5.2 | 3.2 | 5.2 | 12 | 7.5 | 14 |

| 14x17 | 195.5 | 7.2 | 4.5 | 7 | 29 | 13.5 | 35 |

| 17x19 | 217.2 | 7.9 | 5.2 | 7.9 | 35.3 | 16 | 38.3 |

| 19x21 | 240.4 | 8.6 | 6.4 | 9.1 | 39.2 | 18 | 45 |

| 19x22 | 238.5 | 9.1 | 6.4 | 8.7 | 38.3 | 18 | 44 |

| 21x23 | 262 | 9.4 | 6.4 | 9.4 | 44.5 | 19.6 | 49 |

| 22x24 | 263 | 9.4 | 6.4 | 9.4 | 44.5 | 19.6 | 49 |

| 23x26 | 285.8 | 11 | 8 | 11 | 50 | 22.1 | 55.8 |

| 24x27 | 285.5 | 11 | 8 | 11 | 50 | 21.7 | 56 |

| 30x32 | 309 | 11.6 | 8.3 | 11.6 | 61.7 | 26.3 | 65.5 |

Suitable for various industrial and mechanical uses including foot pedal sealing and B-type machinery equipment.

The great wall brand emphasizes quality, durability, and precision in all its hardware tools.