TUZHE Thin-Wall Magnetic Spark Plug Sockets, 14 mm + 16 mm
Thin-wall magnetic 14 mm and 16 mm 12-point spark plug sockets on a 3/8 in drive — fit 16 mm hex brush cutter plugs; many small engines need a 19 mm spanner.
In short:The TUZHE set contains two thin-wall chrome vanadium spark plug sockets, 14 mm and 16 mm, 12-point, on a 3/8 inch drive, with a magnet to hold the plug and a swivel. They were designed for cars, but the 16 mm socket fits brush cutter plugs with a 16 mm hex. Many small two-stroke engines use plugs with a 19 mm hex instead, usually removed with the combination spanner supplied with the machine. Check your plug's hex size first, and note you need a 3/8 inch ratchet.
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Pros
- 16 mm socket fits 16 mm-hex small-engine plugs
- Magnet holds the plug so you don't drop it
- Thin wall reaches into tight plug wells
Cons
- No 19 mm socket — many brush cutter plugs need one
- Needs a 3/8 in ratchet
- Designed for cars; sizes must be checked
What it is
A pair of thin-wall, magnetic spark plug sockets from TUZHE, in 14 mm and 16 mm, 12-point, on a 3/8 inch drive, made of chrome vanadium steel with a swivel. The listing is aimed at car engines. You’ll need a 3/8 inch ratchet or extension, which isn’t included.
Will it fit your brush cutter?
Check the hex size of your spark plug before buying. Small two-stroke engines use plugs with either a 19 mm hex (the common “M14” small-engine plug) or a 16 mm hex (compact plugs used on many modern trimmers). This set’s 16 mm socket suits the second type; it has no 19 mm socket. Most brush cutters come with a combination spanner that fits their plug — the simplest tool for the job.
Why check the plug?
A fouled, worn or wrongly gapped plug causes hard starting, misfiring and poor power. Pulling it also tells you a lot: a wet plug after failed starts means fuel is reaching the cylinder but there’s no spark or it’s flooded; a dry plug means fuel isn’t getting there. Our guides on a brush cutter that won’t start and hard to start when cold walk through it.
Tips
Unscrew the plug only when the engine is cool, clean around the plug well first so dirt can’t fall in, and start a new plug by hand to avoid cross-threading before tightening. Routine checks are listed in brush cutter maintenance.
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