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WR STRUCTURAL BOX 11/16 OFST IMP - Martin Tools

Part #: 903

The Martin Tools 903 WR Structural Box Wrench is engineered for demanding professional use in automotive and industrial environments. This 11/16-inch offset impact wrench delivers the robust performance and durability required for structural fastening tasks and heavy equipment maintenance, providing reliable service for professional technicians.

Key Features

  • Impact-Grade Construction: Manufactured from high-strength steel, this wrench is designed to withstand the rigorous demands of impact applications and high-torque fastening tasks, ensuring longevity and consistent performance.
  • 11/16-inch Box End: Features a precisely machined 11/16-inch box end for secure engagement with fasteners, reducing the risk of slippage and rounding in critical applications.
  • Offset Design: The thoughtfully engineered offset head provides critical clearance, enabling access to recessed bolts and nuts in confined and difficult-to-reach spaces common in heavy machinery.
  • Structural Application Focus: Specifically designed for the tough requirements of structural steel assembly, frame work, and heavy machinery installation and repair.
  • Professional Durability: Built to Martin Tools' exacting standards, this wrench offers dependable strength and resistance to wear, making it a staple for any professional toolbox.

Applications

This essential tool is ideal for mechanics working on heavy trucks, agricultural machinery, construction equipment, and industrial infrastructure. It is particularly suited for tasks involving chassis and frame assembly, suspension component replacement, large engine maintenance, and any application where an 11/16-inch fastener requires significant torque and precise engagement, especially in areas with limited access.

Only 1 left in stock - order soon

$28.07

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  • Model: 478074
  • Shipping Weight: 0.74lbs
  • UPC: 697950260839
  • Manufacturers Part #: 903
  • Manufactured by: Martin Tools
  • Also Known As: MT903, 276-903

This product was added to our catalog on Saturday 11 July, 2026.

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