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Flexible Extension Bar Bundle with both 3/8" and 1/4" - Koken

Part #: B762

The Koken B762 Flexible Extension Bar Bundle provides professional technicians and mechanics with essential tools for navigating challenging work environments. This bundle includes both 3/8" and 1/4" drive flexible extension bars, engineered to reach fasteners in constricted or hard-to-access areas where standard rigid extensions cannot. Crafted with Koken's renowned Japanese precision and high-quality materials, these extensions offer reliable performance and exceptional durability for demanding automotive and industrial applications.

Key Features

  • Enhanced Flexibility: Each extension bar features a flexible shank designed to bend and twist, allowing technicians to access fasteners from various angles in extremely tight spaces.
  • Professional-Grade Construction: Manufactured in Japan from high-quality steel, these extension bars undergo meticulous testing processes, ensuring superior strength, lasting performance, and unwavering reliability.
  • Secure Grip: The knurled handle on each extension bar provides a secure and comfortable grip, even in greasy conditions, contributing to better control and reduced hand strain during prolonged use.
  • Precision Fit: Engineered for minimal play, these extension bars ensure a snug fit with sockets and ratchets, minimizing movement and enhancing torque transfer for efficient work.
  • Versatile Drive Sizes: The bundle includes both 3/8" and 1/4" square drive flexible extension bars, offering versatility to accommodate a wide range of common socket sizes.
  • Designed for Pre-Tightening: These tools are specifically suited for pre-tightening applications, providing the necessary reach and control before final torque is applied.

Applications

The Koken B762 Flexible Extension Bar Bundle is an indispensable addition to any professional toolbox. It is ideal for a variety of tasks, including intricate engine bay work, chassis maintenance, transmission service, and general machinery repair. These extensions enable mechanics to confidently reach deeply recessed bolts, bypass obstacles, and perform assembly tasks with precision in automotive and industrial settings where access is otherwise impossible.

Only 4 left in stock - order soon
List: $82.29 Save: $18.81

$63.48

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 428944
  • Shipping Weight: 0.62lbs
  • Manufacturers Part #: B762
  • Manufactured by: Koken
  • Also Known As: KKNB762

This product was added to our catalog on Monday 18 May, 2026.