Description
• HEAT TREATED CHROME VANADIUM STEEL – Manufactured from heat treated and hardened Chrome Vanadium steel for strength and durability.
• INTERNAL MAGNET – Retains spark plug during installation or removal.
• EXTENSION BAR – 310mm length for increased access.
• 360° ROTATING HEAD – Universal Joint with smooth 360° rotating head allowing access to difficult angles.
• THIN WALL DESIGN – Ideal for use in applications with limited applications.
• KNURLED DESIGN – For secure grip.
•12 POINT STANDARD DEPTH SOCKET – 16mm 3/8”Sq Drive spark plug socket.

![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_DFC1646992__49088.1749484510.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 2](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_ACT_IN_USE_DFC1921520__05500.1751450418.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 3](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_ACT_ON_SPARK_PLUG_DFC1921521__97691.1751450419.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 4](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_STRAIGHT_DFC1646997__22183.1753356914.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 5](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_PIC2_DFC1646995__78782.1753356914.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 6](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_STRAIGHT_PIC2_DFC1646998__49706.1753356915.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 7](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_PIC3_DFC1646996__58030.1753356918.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 8](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_PIC2_DFC1646995__25382.1753362615.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 9](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_PIC3_DFC1646996__30027.1753362615.webp)
![Spark Plug Socket with Universal Joint & Extension 3/8"Sq Drive 12-Point 16mm [AK6576] - Image 10](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK6576_STRAIGHT_DFC1646997__01415.1753362904.webp)
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