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PK3763L/3 3/8 Sq. Dr. Locking Wobble-Fix Extension Bar 3 Pie - Koken

Part #: PK3763L/3

The Koken PK3763L/3 3/8 Sq. Dr. Locking Wobble-Fix Extension Bar 3 Piece Set provides professional technicians with superior control and adaptability for demanding tasks. This three-piece set features an innovative dual-function Wobble-Fix design, enabling seamless transitions between rigid and flexible operation to tackle a wide range of fastening challenges. Engineered for durability and precision, these extension bars are an essential addition to any professional toolkit.

Key Features

  • Dual-Function Wobble-Fix Design: Instantly switch between rigid "Fix Mode" for direct torque transfer and a 15° "Wobble Mode" for accessing fasteners in obstructed areas.
  • Secure Locking Mechanism: In Fix Mode, the socket is securely locked to the extension to prevent detachment, ensuring safety and efficiency during high-torque applications.
  • Integrated Wobble Mode Lock: Maintains the selected wobble angle during use, providing consistent access and reducing slippage.
  • Premium Construction: Manufactured from high-grade chrome vanadium steel with a mirror-polished chrome finish, offering exceptional strength, corrosion resistance, and long-term reliability.
  • Professional-Grade Durability: Built to withstand the rigorous demands of automotive, industrial, and heavy-duty maintenance environments.

Applications

This extension bar set is ideal for professional mechanics and industrial technicians requiring versatile reach and precise control. It excels in automotive repair for reaching engine bay fasteners, suspension components, or interior work. In industrial settings, it facilitates maintenance on machinery, equipment, and structural components where access is limited. The Wobble-Fix functionality proves invaluable for general maintenance tasks where a combination of straight-line torque and angled approach is necessary.

Specifications

  • Drive Size: 3/8" Square Drive
  • Extension Bar Lengths: 75 mm, 125 mm, 250 mm
  • Pivot Angle (Wobble Mode): Up to 15°
  • Material: Chrome Vanadium Steel
  • Finish: Mirror-Polished Chrome
Only 5 left in stock - order soon
List: $232.79 Save: $46.56

$186.23

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 446196
  • Shipping Weight: 0.95lbs
  • UPC: 4991644022892
  • Manufacturers Part #: PK3763L/3
  • Manufactured by: Koken
  • Also Known As: KKNPK3763L-3

This product was added to our catalog on Monday 01 June, 2026.

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