PEC Tools 24 Inch-16R Flexible Machinist Ruler, 24-Inch

PEC Tools 24 Inch-16R is a 24-inch flexible stainless-steel machinist ruler with four fractional and decimal-inch graduation scales. The dual-sided markings suit users who need both 32nds and 64ths and 50ths and 100ths on a long measuring rule.

At a glance

The two sides provide fractional-inch scales of 1/32 and 1/64 inch, and decimal-inch scales of 1/50 and 1/100 inch.
Listing describes tempered stainless steel with a black chrome finish and laser-etched graduations.
Both long edges are described as ground flat and straight.
The listing identifies the ruler as made in the USA.

Price

$31.99Save 20%

Reference price: ~~$39.99~~

Price checked: Nov 14, 2026

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Often bought together

PEC Tools Stainless Steel Ruler Set (6"+12"), High-Contrast Machinist Ruler with Markings 1/32", 1/64", 1/50" and 1/100", Made in USA

$28.28

PEC Tools MADE IN USA 6 Inch Metal Ruler, Scale (1/32",1/64",1/50",1/100") | Machinist Rule for High-Accuracy Industrial Environments, Black Chrome Stainless Steel Ruler, High Contrast Metal Ruler

$12.99

Pros and cons

Pros

Four graduation scales make it useful for work that alternates between fractional and decimal-inch readings.
Its 24-inch length covers longer measurements than a short machinist rule, while its flexible construction can adapt to curved surfaces.

Technical specifications

7 specifications

Identity
Brand	PEC Tools
Model	24 Inch-16R

Dimensions and construction
Dimensions listed	24"L x 0.75"W
Material listed	Stainless Steel
Thickness	0.02 inches

Graduations and finish
Scale markings	1/32 inch and 1/64 inch on one side and 1/50 inch and 1/100 inch on the other side
Finish and marking description	Black chrome finish

What to know before buying

The listing describes tempered, flexible construction and says both long edges are ground flat and straight. Flexibility may suit curved measurements, but the listing does not provide a straightness tolerance or independent measurement data. Confirm the tool type and required accuracy for your work.

Who is it for?

A good fit for

Machinists, engineers, and mechanics who need a 24-inch rule with both fractional and decimal-inch graduations.
Users measuring longer workpieces or needing a flexible rule for curved or round surfaces.

Less suited to

Buyers who need a stated precision tolerance, calibration documentation, or verified measurement performance. These are not specified in the supplied listing.

PEC Tools 24 Inch-16R Flexible Machinist Ruler, 24-Inch · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 11 ratings

5 stars69%69%
4 stars10%10%
3 stars0%0%
2 stars0%0%
1 star21%21%

Aggregate ratings are generally favorable, but a substantial one-star share makes the overall picture mixed. With a small rating sample and no written customer feedback supplied, these figures do not identify specific strengths or problems. Buyers should judge fit by the stated length, flexibility, and scale system, and not treat ratings as evidence of measurement accuracy.

Frequently asked questions

What graduations does the PEC Tools 24 Inch-16R have?

The listing says one side is graduated in 1/32 and 1/64 inch, and the other in 1/50 and 1/100 inch.

Is this ruler flexible?

Yes. It is identified as a flexible ruler. Its stainless-steel construction is described as tempered, but no bending radius or precision tolerance is provided.

What are the listed dimensions and material?

The listed dimensions are 24"L x 0.75"W, and the material is listed as stainless steel.