Description
The Lisle 5/16″ Long Hex Key (42520) is a high-quality tool designed to provide extended reach for hard-to-access fasteners. Its durable construction and precise fit make it a reliable choice for professionals and DIY enthusiasts.
KEY FEATURES AND BENEFITS:
- Extended Reach: The long arm design allows for easy access to fasteners in tight spaces.
- Precise Fit: The 5/16″ hex size ensures a secure and snug fit with compatible bolts and screws.
- Durable Construction: Made from heat-treated alloy steel, the key is built to withstand heavy use and provide long-lasting performance.
- Versatile Applications: Ideal for automotive, mechanical, and construction tasks where a longer reach is required.
SPECIFICATIONS:
- Size: 5/16″
- Type: Long arm hex key
- Material: Heat-treated alloy steel
HOW TO USE:
- Identify the fastener: Determine which fastener you need to tighten or loosen.
- Insert the hex key: Place the hex key into the fastener’s hexagonal hole.
- Apply torque: Use a ratchet or wrench to apply appropriate torque.
- To loosen: Turn the key in the opposite direction.
BENEFITS OF USING THE LISLE 5/16″ LONG HEX KEY (42520):
- Increased Efficiency: Quickly and easily access hard-to-reach fasteners, saving time and effort.
- Improved Accuracy: The precise fit ensures proper torque application and prevents damage to fasteners.
- Enhanced Durability: The high-quality materials and construction provide long-lasting performance.
- Versatile Applications: Suitable for a wide range of tasks, making it a valuable tool for any toolbox.
FEATURES:
- Ergonomic Design: Comfortable grip for extended use.
- Precision Machining: Ensures a tight fit and smooth operation.
- Corrosion Resistance: Protects against rust and other elements.
- Heat-Treated Steel: Provides exceptional strength and durability.






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