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What are the different types of feeler gauge?

What are the different types of feeler gauge?

Shop for Feeler Gauges

Wonkee Donkee types of feeler gauge - Go-NoGo feeler gauge, straight leaf gauge, Tapered leaf gauge, double ended gauge, offset gauge, feeler strip. There are 6 types of feeler gauge available:

1. Go NoGo feeler gauge

2. Straight leaf feeler gauge

3. Tapered feeler gauge

4. Double ended gauge

5. Offset gauge

6. Feeler strip.

All varieties come with metric (mm), imperial (inch) or both measurements inscribed.

Straight leaf feeler gauge

Wonkee Donkee Straight leaf or blade feeler gauge blade A straight leaf feeler gauge has leaves that are consistently parallel.

Tapered leaf feeler gauge

Wonkee Donkee Tapered feeler gauge blades or leaves A tapered leaf feeler gauge has leaves that thin out towards the tip.

Go NoGo feeler gauge

Wonkee Donkee GoNoGo Feeler Gauge A Go NoGo feeler gauge is different to a regular feeler gauge as it differentiates between a thick base and a thinner tip.


The thinner end of the gauge is able to ‘go’ into the gap and the thicker body will not – ‘no go’.

Imperial feeler gauge

Wonkee Donkee Imperial feeler gauge An imperial gauge gives measurements in thousandths of an inch.

Metric feeler gauge

Wonkee Donkee Metric feeler gauge A metric gauge gives measurements in hundredths of a millimetre.

Combined imperial and metric feeler gauge

Wonkee Donkee Combined imperial and metric gauge Some feeler gauges combine both imperial and metric measurements.

The measurements are often found on separate leaves at alternate ends of the tool. They can sometimes be found on the reverse side of the same leaf.

Feeler strips

Wonkee Donkee Feeler strip Feeler strips work identically to feeler gauge blades.

The exception is that they are not connected in a set and either end can be used to measure. They are separate for quick and easy use.

Offset blades

Wonkee Donkee Offset gauge Offset blades are bent toward the tip for easier access in most motor vehicle applications and work in restrictive areas.

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