Liyu Industrial Grade 12.5MM Large Hex Long Extension Chrome Vanadium Steel Socket Head Sleeve Auto Repair Tool Accessory 16MM

Forging and heat treatment processes applied for durability and toughness

New knurled pattern design for enhanced grip and torque performance exceeding 1.5 times the American standard

Upgraded blind insertion interface with recessed design for faster and slip-resistant hex bolt/nut engagement

Precision electroplating for rust resistance

Double-layer anti-oil and anti-rust coating

Anti-slip slot design inside the socket to prevent detachment during heavy use

Clear and precise size markings with new knurled texture

Product Parameters (All measurements approximate, subject to slight manual measurement deviations):

| Size (mm) | Total Length (mm) | Hex Outer Diameter (mm) | Square Outer Diameter (mm) | Working Depth (mm) | Weight (kg) |

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

| 10 | 76 | 16.5 | 21.6 | 21.6 | 0.11 |

| 12 | 76 | 18.5 | 21.6 | 21.6 | 0.12 |

| 13 | 76 | 19.0 | 21.6 | 21.6 | 0.14 |

| 14 | 76 | 20.0 | 21.6 | 21.6 | 0.12 |

| 15 | 76 | 21.6 | 21.6 | 21.6 | 0.11 |

| 16 | 76 | 21.6 | 21.6 | 21.6 | 0.13 |

| 17 | 76 | 23.9 | 23.9 | 21.6 | 0.14 |

| 18 | 76 | 25.7 | 25.7 | 20.0 | 0.18 |

| 19 | 76 | 27.9 | 27.9 | 20.0 | 0.18 |

| 20 | 76 | 28.0 | 28.0 | 20.0 | 0.18 |

| 22 | 76 | 29.9 | 29.9 | 20.0 | 0.22 |

| 23 | 76 | 31.9 | 31.9 | 26.0 | 0.28 |

| 24 | 76 | 31.9 | 31.9 | 26.0 | 0.33 |

| 27 | 76 | 35.9 | 35.9 | 29.0 | 0.42 |

| 30 | 76 | 39.9 | 39.9 | 32.0 | 0.44 |

| 32 | 76 | 41.9 | 41.9 | 32.0 | 0.44 |

All parameters are manually measured and may have slight deviations; actual product dimensions prevail.