

1/2-Inch Drive Spark Plug Socket with Magnetic Insert, 16mm
Chrome-plated 1/2" spark plug socket with integrated magnetic insert for secure spark plug retention and precision engine work.
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1/2-Inch Drive Spark Plug Socket with Magnetic Insert
Brief Overview
This 1/2-inch drive spark plug socket delivers the precision and reliability your shop demands for consistent engine maintenance and rebuilds. The integrated magnetic insert secures spark plugs during installation, preventing drops and ensuring proper seating every time. The chrome-plated construction resists corrosion and maintains a professional appearance across repeated use. Whether you're servicing compact engines or larger displacement blocks, this socket pairs seamlessly with standard 1/2-inch ratchets and extensions—or complement it with additional deep-well spark plug sockets for applications requiring extended reach.
Key Features
- Magnetic Insert Technology: Integrated retention system holds spark plugs securely during installation and removal, eliminating dropped plugs and damaged threads
- Chrome-Plated Finish: Durable protective coating resists rust, corrosion, and wear from repeated use
- Six-Point Internal Profile: Precision geometry prevents cam-out and ensures positive engagement with spark plug electrodes
- Knurled Grip Band: Textured grip zone improves handling comfort and control during high-frequency engine work
- 1/2-Inch Square Drive: Universal compatibility with all 1/2-inch ratchets, extensions, and breaker bars
- Compact 65mm Length: Balanced design fits most standard engine bays without excessive overhang
Why This Product Matters for Your Business
Volume & Turnover Potential
Spark plug sockets are consumable-adjacent accessories—mechanics replace them regularly due to wear, loss, or upgrading. Stock these in multiples and watch turnover accelerate. The magnetic feature reduces customer frustration with dropped fasteners, driving positive reviews and repeat business.
Margin-Friendly Positioning
The low unit cost combined with consistent demand makes this an ideal add-on sale. Bundle with premium 3/8-inch spark plug socket options to capture both small and large engine mechanics in a single transaction.
Shop Floor Durability
Chrome plating withstands shop environments—heat, oil, solvents—without degrading. Your customers won't face premature replacement costs, strengthening their trust in your brand.
Technical Specifications
| Specification | Value |
|---|---|
| Drive Size | 1/2-inch Square Drive |
| Socket Size | 16mm |
| External Diameter (D1) | 22mm |
| External Diameter (D2) | 22mm |
| Overall Length | 65mm |
| Internal Profile | Six-Point |
| Finish | Chrome-Plated |
| Retention Feature | Magnetic Insert |
| SKU | 564616 |
Additional Sizes Available
This socket is part of a precision-engineered range:
| Model | Size | D1 | D2 | Length |
|---|---|---|---|---|
| 564616 | 16mm | 22mm | 22mm | 65mm |
| 564618 | 18mm | 24.7mm | 26mm | 65mm |
| 564621 | 21mm | 26mm | 27mm | 65mm |
Application Context
Perfect for:
- Tune-up and maintenance: Regular spark plug replacement on fleet and personal vehicles
- Engine diagnostics: Quick access and removal for gap checks and condition assessment
- Rebuild operations: Precise installation in tight cylinder head spaces
- Multi-engine shops: Stock all three sizes to cover everything from compact two-stroke equipment to large V-8 engines
Closing Statement
This is a dependable, high-rotation stock item that pays for itself through volume. The magnetic insert differentiates it from basic sockets and reduces technician frustration—two factors that drive positive word-of-mouth and repeat orders. Buy in multiples and establish yourself as the go-to source for reliable engine maintenance tools.