The GEARWRENCH 86643 is a precision-engineered tool built for professionals who demand speed, control, and durability. As part of the elite 90T series, this 3/8" reversible ratcheting combination wrench is optimized for tight spaces and high-performance tasks, making it a must-have in any serious mechanic’s or technician’s toolkit.

Key Features:

• 90-Tooth Ratcheting Mechanism
  Offers an ultra-fine 4° swing arc, enabling fastener engagement with minimal movement—ideal for confined or obstructed workspaces

• Reversible Ratcheting Action
  A low-profile reverse lever allows seamless switching between forward and reverse directions without removing the wrench, saving time and effort

• 12-Point Box End with Off-Corner Loading
  Maximizes grip and reduces fastener rounding, preserving bolt integrity over repeated use

• 15° Offset Box End
  Enhances clearance and reduces the risk of knuckle injury, while improving leverage for more efficient torque application

• Ergonomic Beam Design
  Longer and wider beam improves reach, leverage, and comfort during extended use

• High-Visibility SAE Markings
  Large, color-coded size stamps with high-contrast ink make identification fast and easy, even in low-light conditions

• Premium Chrome Finish
  Bright, full-polish chrome resists corrosion and wipes clean effortlessly, maintaining a professional appearance over time

Technical Specifications:

• Size: 3/8 inch
• Length: 6.67 inches
• Weight: 0.120 lb (approx. 1.92 oz)
• Material: Alloy Steel
• Finish: Full Polish Chrome
• Box End Offset: 15°
• Open End Offset: 0°
• End A Width/Thickness: 0.86" / 0.22"
• End B Width/Thickness: 0.83" / 0.30"
• Drive Type: Open End / 12 Point Box End
• Operation Mode: Mechanical
• Warranty: Full Lifetime Warranty
• Compliance: Meets or exceeds ASME and ANSI specifications

Applications:

Whether you're working in automotive repair, industrial maintenance, or mechanical assembly, the GEARWRENCH 86643 delivers the precision and reliability professionals trust. Its compact size and advanced ratcheting mechanism make it especially valuable in tight engine compartments and complex machinery setups.