14/16mm Magnetic Spark Plug Socket Wrench Set – CR-V Steel

SLADE 14mm & 16mm Magnetic Spark Plug Socket Wrench – Universal Joint Car Repair Tool

Tackle spark plug replacements like a pro with the SLADE 14/16mm Magnetic Spark Plug Socket Set. Built from premium Chrome Vanadium Steel (CR-V), this universal 3/8" drive socket is engineered for durability and precision — making it an essential tool for any DIY mechanic or professional auto technician.

The built-in magnet securely grips spark plugs during removal and installation, so you never have to worry about dropping a plug deep into the engine bay. The 12-point design fits both 6-corner and 12-corner spark plug nuts, and the flexible universal joint adapter lets you reach tight or awkward angles with ease.

Made in Mainland China.

Key Features

• Two Size Options: Choose 14mm (98g) or 16mm (110g) to match your vehicle's spark plug nut diameter
• 3/8" Drive Interface: Compatible with most standard socket wrenches and ratchets
• 12-Point Design: Works with both 6-angle and 12-angle spark plug nuts — no measuring headaches
• Chrome Vanadium Steel (CR-V): Hardened, corrosion-resistant material for long-lasting performance under high torque
• Built-In Magnet: Holds spark plugs securely in place for one-handed installation and removal
• Universal Joint / Flexible Adapter: Reaches plugs at tight angles without straining your wrist or damaging surrounding components
• Compact & Lightweight: Easy to store in your toolbox or glove compartment

How to Choose the Right Size

It only takes one step! Measure the diagonal (12-corner) or the opposite-side diameter (6-corner) of your spark plug nut:

• If the nut measures 14mm → choose the 14mm socket
• If the nut measures 16mm → choose the 16mm socket

Note: Whether your spark plug has a 6-point or 12-point nut, as long as the nut diameter is 14mm or 16mm, this socket will work.

Specifications

Related Products You May Like

• 100-Pack Disposable Nitrile Gloves – Latex-Free, Oil-Proof – Keep your hands clean during engine work
• 120ml Heavy-Duty Metal Rust Remover & Anti-Rust Spray – Protect your tools and engine components from corrosion

Learn More About Spark Plug Maintenance

Proper spark plug maintenance is critical for engine performance and fuel efficiency. For guidance on automotive safety and tool standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Learn more: Socket wrench

Frequently Asked Questions

Q: What size spark plug socket do I need — 14mm or 16mm?

A: Measure the nut on your spark plug. If the opposite-side (flat-to-flat) diameter or the diagonal (corner-to-corner) diameter is 14mm, choose the 14mm socket. If it measures 16mm, choose the 16mm socket. Most modern compact and mid-size engines use 14mm, while older or larger engines may use 16mm.

Q: Is this spark plug socket compatible with a standard ratchet wrench?

A: Yes! This socket features a 3/8" drive interface, which is one of the most common ratchet sizes used in automotive repair. It is compatible with virtually all standard 3/8" ratchets, extensions, and breaker bars.

Q: Does the magnetic spark plug socket work on all spark plug types?

A: The built-in magnet is designed to hold most standard ferrous metal spark plugs securely. The 12-point socket design fits both 6-corner and 12-corner spark plug nuts, as long as the nut diameter is 14mm or 16mm. Always verify your spark plug nut size before purchasing.

Q: What is Chrome Vanadium Steel (CR-V) and why does it matter?

A: Chrome Vanadium Steel is a high-strength alloy commonly used in professional-grade hand tools. It offers superior hardness, toughness, and resistance to corrosion and wear compared to ordinary steel — meaning this spark plug socket can handle repeated high-torque use without cracking or deforming.