10 models to compare

Feeler gauges: what blade counts and dimensions?

Compare ten sets by blade count, length and width. Equipment clearance comes first.

Check the complete blade list and equipment manual. Dimensions cannot verify that a thickness or material suits your job.

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With no preferences selected: 14-Blade Valve Lash Gauge Set is one option to compare.

No hands-on testingMethod and sources

14-Blade Valve Lash Gauge Set · first with a product link

Model / item: 1610

Blade count: 14 blades.
Blade length: 4 in.

What to note:

Blade width: 1/4 in.

View at Lang Tools

If you choose At least 17 blades for blade count, the first option with a product link becomes 17 Mini-Blade Feeler Gauge.

10 models compared; 10 have a product-page link.

The picks

5 options to compare

Compare the details that matter to your setup.

An option to compare

14-Blade Valve Lash Gauge Set

Blade count: 14 blades.

Model / item: 1610

Key details

Blade length: 4 in.

What to note

Blade width: 1/4 in.

Compare specs: Blade count: 14 blades here; 15 blades on 15-Blade Feeler Gauge With Rule.

Blade count: 14 bladesBlade length: 4 inBlade width: 1/4 in

See all 3 specs

Blade count14 blades

Blade length4 in

Blade width1/4 in

3 of 3 specs available · source checked September 29, 2026 · Source ↗
Lang Tools · Product page checked September 29, 2026

View at Lang Tools Compare

Blade count: At least 17 blades

17 Mini-Blade Feeler Gauge

Blade count: 17 blades.

Model / item: 2636A

Key details

Blade length: 1 3/4 in.

What to note

Blade width: 1/4 in.

Compare specs: Blade count: 17 blades here; 22 blades on 22-Blade GO-NO-GO Gauge.

Blade count: 17 bladesBlade length: 1 3/4 inBlade width: 1/4 in

See all 3 specs

Blade count17 blades

Blade length1 3/4 in

Blade width1/4 in

3 of 3 specs available · source checked September 29, 2026 · Source ↗
Lang Tools · Product page checked September 29, 2026

View at Lang Tools Compare

Blade count: At least 25 blades

25-Blade Feeler Gauge 12" Long

Blade count: 25 blades.

Model / item: 12025

Key details

Blade length: 12 in.

What to note

Blade width: 1/2 in.

Compare specs: Blade count: 25 blades here; 36 blades on 36-Blade Combination Standard and Brass Feeler Gauge.

Blade count: 25 bladesBlade length: 12 inBlade width: 1/2 in

See all 3 specs

Blade count25 blades

Blade length12 in

Blade width1/2 in

3 of 3 specs available · source checked September 29, 2026 · Source ↗
Lang Tools · Product page checked September 29, 2026

View at Lang Tools Compare

Also compare 4

15-Blade Feeler Gauge With Rule

Blade count: 15 blades.

Model / item: 27A

Key details

Blade length: 3 in.

What to note

Blade width: 1/2 in.

Compare specs: Blade count: 15 blades here; 17 blades on 17 Mini-Blade Feeler Gauge.

Blade count: 15 bladesBlade length: 3 inBlade width: 1/2 in

See all 3 specs

Blade count15 blades

Blade length3 in

Blade width1/2 in

3 of 3 specs available · source checked September 29, 2026 · Source ↗
Lang Tools · Product page checked September 29, 2026

View at Lang Tools Compare

Also compare 5

15-Blade Metric Feeler Gauge

Blade length: 3 in.

Model / item: 342A

Key details

Blade count: 15 blades.

What to note

Blade width: 1/2 in.

Compare specs: Blade length: 3 in here; 1 3/4 in on 17 Mini-Blade Feeler Gauge.

Blade count: 15 bladesBlade length: 3 inBlade width: 1/2 in

See all 3 specs

Blade count15 blades

Blade length3 in

Blade width1/2 in

3 of 3 specs available · source checked September 29, 2026 · Source ↗
Lang Tools · Product page checked September 29, 2026

View at Lang Tools Compare

Comparing 14-Blade Valve Lash Gauge Set · 15-Blade Feeler Gauge With Rule

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The facts that differ

Choose up to three models to compare side by side.

Differences only

0 identical specs shown. Details that do not apply to these models are omitted.

Published specification comparison
Spec	14-Blade Valve Lash Gauge SetModel / item: 1610No preferences selected.	15-Blade Feeler Gauge With RuleModel / item: 27ANo preferences selected.
Blade count	14 blades	15 blades
Blade length	4 in	3 in
Blade width	1/4 in	1/2 in

14-Blade Valve Lash Gauge Set

Model / item: 1610

No preferences selected.

Blade count: 14 blades
Blade length: 4 in
Blade width: 1/4 in

15-Blade Feeler Gauge With Rule

Model / item: 27A

No preferences selected.

Blade count: 15 blades
Blade length: 3 in
Blade width: 1/2 in

14-Blade Valve Lash Gauge Set

View at Lang Tools

15-Blade Feeler Gauge With Rule

View at Lang Tools

Compare all 10 models

— = no verified listing yet. The published order is independent of links.

All models and their decision specs
Product	How it compares	Key spec	Compare	Action
14-Blade Valve Lash Gauge Set	Compared with 15-Blade Feeler Gauge With Rule: blade count, 14 blades vs 15 blades. Model / item: 1610	Blade count: 14 blades	Compare	View at Lang Tools
15-Blade Feeler Gauge With Rule	Compared with 17 Mini-Blade Feeler Gauge: blade count, 15 blades vs 17 blades. Model / item: 27A	Blade count: 15 blades	Compare	View at Lang Tools
15-Blade Metric Feeler Gauge	Compared with 17 Mini-Blade Feeler Gauge: blade count, 15 blades vs 17 blades. Model / item: 342A	Blade count: 15 blades	Compare	View at Lang Tools
17 Mini-Blade Feeler Gauge	Compared with 22-Blade GO-NO-GO Gauge: blade count, 17 blades vs 22 blades. Model / item: 2636A	Blade count: 17 blades	Compare	View at Lang Tools
22-Blade GO-NO-GO Gauge	Compared with 25-Blade Feeler Gauge 12" Long: blade count, 22 blades vs 25 blades. Model / item: 3013A	Blade count: 22 blades	Compare	View at Lang Tools
25-Blade Feeler Gauge 12" Long	Compared with 36-Blade Combination Standard and Brass Feeler Gauge: blade count, 25 blades vs 36 blades. Model / item: 12025	Blade count: 25 blades	Compare	View at Lang Tools
36-Blade Combination Standard and Brass Feeler Gauge	Compared with Offset Valve Tappet Gauge Set - Imports: blade count, 36 blades vs 11 blades. Model / item: FG-135	Blade count: 36 blades	Compare	View at Lang Tools
Offset Valve Tappet Gauge Set - Imports	Blade count: 11 blades; Blade length: 3 in. Model / item: 3085	Blade count: 11 blades	Compare	View at Lang Tools
68050 Valve Tappet Feeler Gauge	Compared with Offset Valve Tappet Gauge Set - Imports: blade length, 4 in vs 3 in.	Blade count: 11 blades	Compare	View at Lisle
68150 Go-No-Go Feeler Gauge	Compared with Offset Valve Tappet Gauge Set - Imports: blade count, 22 blades vs 11 blades.	Blade count: 22 blades	Compare	View at Lisle

14-Blade Valve Lash Gauge Set

Compared with 15-Blade Feeler Gauge With Rule: blade count, 14 blades vs 15 blades.

Model / item: 1610

Blade count: 14 blades

CompareView at Lang Tools

15-Blade Feeler Gauge With Rule

Compared with 17 Mini-Blade Feeler Gauge: blade count, 15 blades vs 17 blades.

Model / item: 27A

Blade count: 15 blades

CompareView at Lang Tools

15-Blade Metric Feeler Gauge

Compared with 17 Mini-Blade Feeler Gauge: blade count, 15 blades vs 17 blades.

Model / item: 342A

Blade count: 15 blades

CompareView at Lang Tools

17 Mini-Blade Feeler Gauge

Compared with 22-Blade GO-NO-GO Gauge: blade count, 17 blades vs 22 blades.

Model / item: 2636A

Blade count: 17 blades

CompareView at Lang Tools

22-Blade GO-NO-GO Gauge

Compared with 25-Blade Feeler Gauge 12" Long: blade count, 22 blades vs 25 blades.

Model / item: 3013A

Blade count: 22 blades

CompareView at Lang Tools

25-Blade Feeler Gauge 12" Long

Compared with 36-Blade Combination Standard and Brass Feeler Gauge: blade count, 25 blades vs 36 blades.

Model / item: 12025

Blade count: 25 blades

CompareView at Lang Tools

36-Blade Combination Standard and Brass Feeler Gauge

Compared with Offset Valve Tappet Gauge Set - Imports: blade count, 36 blades vs 11 blades.

Model / item: FG-135

Blade count: 36 blades

CompareView at Lang Tools

10 catalog models

How the comparison works

Your choices are compared with each model’s product details. A missing or conflicting value stays unknown and cannot satisfy a choice you select. The starting order helps you browse; it does not rate real-world performance.

Source dates appear with each link below. A source date does not confirm today's price or stock.

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Sources for all 10 models

14-Blade Valve Lash Gauge Set: Source 1 ↗ · September 29, 2026
15-Blade Feeler Gauge With Rule: Source 1 ↗ · September 29, 2026
15-Blade Metric Feeler Gauge: Source 1 ↗ · September 29, 2026
17 Mini-Blade Feeler Gauge: Source 1 ↗ · September 29, 2026
22-Blade GO-NO-GO Gauge: Source 1 ↗ · September 29, 2026
25-Blade Feeler Gauge 12" Long: Source 1 ↗ · September 29, 2026
36-Blade Combination Standard and Brass Feeler Gauge: Source 1 ↗ · September 29, 2026
68050 Valve Tappet Feeler Gauge: Source 1 ↗ · September 29, 2026
68150 Go-No-Go Feeler Gauge: Source 1 ↗ · September 29, 2026
Offset Valve Tappet Gauge Set - Imports: Source 1 ↗ · September 29, 2026

Blade reach and blade quantity answer different questions

Lang Tools’ Offset Valve Tappet Gauge Set - Imports has 11 blades measuring 3 in long and 0.5 in wide. Its 17 Mini-Blade Feeler Gauge has 17 blades measuring 1.75 in long and 0.25 in wide. The smaller blade format changes access, while the higher count does not tell you which thicknesses are included.

Start with the clearance and blade material specified in the equipment manual. Then read the complete thickness set; a larger blade count cannot substitute for the required gauge thickness.

Check the working shape around the measurement point

Lang Tools’ 14-Blade Valve Lash Gauge Set has 4 in long, 0.25 in wide blades. Its Offset Valve Tappet Gauge Set - Imports is shorter and wider. Compare those dimensions with the route into the clearance, alongside the named gauge shape.

We compared gauge dimensions from manufacturer pages, without measuring clearances or checking calibration. Similar blade dimensions say nothing about accuracy or suitability for a particular engine or machine.

Before you buy

Do the results guarantee a particular clearance is covered?

No. Blade count and dimensions do not identify every included thickness. Open the manufacturer page and check the required thickness, blade material and blade shape before buying. Compare 10 feeler gauge sets by blade count, blade length and blade width, with links to the manufacturers.

Are these tools ranked by accuracy?

The table compares published dimensions. It does not measure accuracy or rank tool quality.