Spark Plug Socket Set 16mm 21mm Magnetic 2pc 1/2in Drive

£10.99 inc. VAT

2-piece set with a 16mm plug socket and a 21mm spark plug socket, both magnetic and made from chrome vanadium with 1/2in drive for engine servicing.

  • Size 16mm
  • Drive Size 1/2in.
  • Socket Type Spark Plug Socket
  • Material Chrome Vanadium Steel

All specifications

In stock, ready to dispatch

Free UK Tracked 48, est. delivery Mon 16 – Tue 17 Nov

Royal Mail aims to deliver Tracked 48 in two to three working days.

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All delivery options
Tracked 48Free
Tracked 24£2.99
Next day courier£6.99
Click & CollectFree · WS8
International trackedfrom £13.49

Product code: CT4015 · Brand: Neilsen

About this product

A 2-piece spark plug socket set for removing and fitting common spark plugs during vehicle servicing and maintenance work. It includes 16mm and 21mm sockets, both with an internal magnetic design to help hold the plug securely during removal and refitting.

Used for routine engine servicing in garages, workshops and home maintenance, this set suits mechanics and DIY users working on cars, vans and other vehicles with accessible spark plugs. The magnetic hold can make plug retrieval easier when working down recessed plug wells, helping with cleaner, more controlled handling during fitting and removal.

Made from chrome vanadium, the sockets are built for regular workshop and garage use, with a 1/2in drive fitting that works with compatible ratchets and breaker bars. The two included sizes cover common spark plug applications, which is useful when working across different vehicles or carrying out regular servicing. Keeping both sizes together also helps avoid unnecessary switching between different socket types when standard spark plug jobs come up. For repeated maintenance work, the simple 2-piece format keeps the right sockets easy to find and straightforward to store with the rest of your vehicle service tools.

Spark plug socket set specifications

  • Contents: 2-piece set with 16mm and 21mm spark plug sockets.
  • Drive size: 1/2in drive for use with compatible hand tools.
  • Magnetic design: Internal magnets help retain and retrieve spark plugs more securely.
  • Material: Made from chrome vanadium for strength and repeated use.
  • Application: Suitable for spark plug removal and fitting during engine servicing.
  • Retention: Each spark plug removal socket has an internal magnet to help retain and retrieve the plug.

A practical choice for regular vehicle maintenance and repair work.

Specifications

Product codeCT4015
BrandNeilsen
Weight 0.22 kg
Type

Socket Set

Size

16mm

Features

Internal magnet

Drive Size

1/2in.

Socket Type

Spark Plug Socket

Material

Chrome Vanadium Steel

Set or Single Item

Set

Number of Pieces

2

Finish

Chrome plated

Availability In stock, usually sent the same day if you order by 8am on a working day
Barcode (EAN) 5055282040157

Delivery & returns

UK delivery

  • Royal Mail Tracked 48Aims to deliver in two to three working daysFREE
  • Royal Mail Tracked 24Next working day delivery aim£2.99
  • Next day courierNext working day aim, where available£6.99
  • Click & Collect, Brownhills WS8Usually ready next working dayFREE
  • International trackedOutside the EU and USA (paused for now)from £13.49

Order by 8am UK time, Mon–Fri excluding bank holidays in England and Wales, and we usually send it the same day; otherwise, the next working day. Delivery aims count from when we send it.

Returns

  • 30 days to change your mindTell us within 30 days of delivery, then send it back within 14 days. You pay return postage
  • Faulty or wrong? We pay return costsYour legal rights continue after 30 days

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