113mm Magnetic Hex Extension Bar – 4mm Screwdriver Bit Adapter

Reach Further, Work Smarter with This Magnetic Extension Bar

The 113mm Magnetic Metal Shaft Extension Bar is the compact tool upgrade every DIYer and professional needs. Designed for standard 4mm hex screwdriver bits, this aluminium alloy rod extends your reach into tight, narrow, or hard-to-access spaces where a regular screwdriver simply can't go.

Why You'll Love It

• Strong Magnetic Hold: Built-in magnetic tip keeps your screwdriver bit locked firmly in place, so you can work confidently without bits slipping or falling.
• Reach Tight Spaces: The slim 4mm diameter and 113mm length give you the extra reach needed to drive screws in confined areas, deep cavities, and awkward angles.
• Universal 4mm Hex Compatibility: Works with virtually all standard 4mm (1/8") hex screwdriver bits — making it an instant upgrade for your existing tool kit.
• Durable Aluminium Alloy Construction: Lightweight yet tough, the high-quality metal build ensures long-lasting performance even under frequent use.
• Secure, Reliable Grip: Engineered for a firm, stable connection between bit and driver, reducing cam-out and maximising torque transfer.

Specifications

Package Contents

• 1 × Magnetic Metal Shaft Extension Bar Rod

Note: Actual colour may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances (±1–2mm).

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For more on safe and effective tool use, visit the OSHA Hand & Power Tools Safety Guide.

Frequently Asked Questions

Q: What size hex bits does this magnetic extension bar accept?

A: This extension bar is compatible with standard 4mm (1/8") hex screwdriver bits, making it suitable for use with the vast majority of common screwdriver bit sets.

Q: How strong is the magnetic hold on the bit?

A: The built-in magnet provides a strong, reliable hold that keeps hex bits securely in place during use, minimising slippage and dropped bits — especially helpful when working overhead or in awkward positions.

Q: Can I use this with a power drill or is it hand-use only?

A: This extension bar is designed for hand screwdrivers and manual bit holders. While it can be paired with low-torque applications, it is primarily intended for hand tool use to ensure a secure, controlled fit.

Q: What is the extension bar made of?

A: It is constructed from high-quality aluminium alloy and metal components, making it lightweight, durable, and resistant to everyday wear and tear.