7 min read

Compare our selection of safety rulers to find the right ruler for your next big project. Pro tip: they are all designed for your safety in mind, with different features that might work better for you.


Safety Rulers

Safety rulers help you get the straight edge your sign or large format graphics need, but without the risk of cutting your fingers. These rulers come with finger guards that protect your fingers during cutting, and have a grip on bottom so they don't move while operating. Compare the different models below.

Which Ruler is Best For You?

Lightweight Aluminum Safety Ruler

Sizes: 39.5", 59", 98.5"

The original safety ruler with thousands of units sold is made from aluminum with a silver mill finish. The ruler readout is flat so you can see it by looking straight down while cutting. The safety guard has a curved edge to comfortably hide your fingers, and the straight edge of the ruler helps make precise cuts. You'll get a good grip while cutting with a ruler that won't move.

Product Features:

  • Curved aluminum top to protect your fingers
  • Non-slip rubber bottom
  • Made of solid aluminum alloy

Pro Steel Safety Ruler

Sizes: 28", 40", 52", 64", 76", 100"

Avoid nasty cuts and sliced fingers with the Pro Steel Safety Ruler. A curved aluminum guard protects your fingers while cutting, with a 2" comfort grip that fits your fingers snugly. The wide ruler is 2.6" across, and comes in 28" up to 100" long. But no matter how long it gets, the ruler has a rubber grip that holds to most surfaces to prevent movement for better safety and cutting accuracy.

Steel Edge Rhino Ruler, Red

Sizes: 28", 40", 52", 64", 76", 100"

The Steel Edge Rhino Ruler has a guard that prevents the razor from accidentally slicing you.

Product Features:

  • Comfortable No Pinch Safety Guard
  • Extra Wide 3.6" Base
  • Chromium Steel Cutting Edge
  • Tough Red Baked on Powder Coating
  • Newest High Tech Super Grip Backing

Ultimate Steel Safety Ruler, Yellow

Sizes: 28", 40", 52", 64", 76", 100"

The Ultimate Steel is the perfect edge for razor straight trimming. Your blade slips along the steel with dead-on accuracy. The stainless steel edge is low and flat, so your blade won't wobble.

Product Features:

  • Hand guard protects you from injury
  • High tech rubber backing ensures ruler stays put
  • Stainless steel edge
  • 14 gage plate steel embedded in aluminum
  • Curved guard is very comfortable and never pinches

Related: Shop Utility Knives

Other Rulers

Johnson Straight Edge Ruler

Sizes: 18", 24", 36", 48", 60", 72", 96"

These durable extruded aluminum rulers feature a clear protective anodized finish and thermal bonded black graduations to ensure durability. Gradations are bold and easy to read in 1/8" and 1/16". Johnson rulers are available in multiple sizes and angles.

Product Features:

  • Durable extruded aluminum
  • Screened, thermal-bonded black graduations
  • Bold, easy to read graduations and numbers
  • Clear, protective anodized finish

Johnson Adjust-a-Square

Sizes: 48", 54"

The Original" Aluminum Adjust-A-Square® T-Square from Johnson has a 1/4" thick extruded aluminum blade and head. This creates a safer straight edge that prevents your utility knife from slipping, while its clear protective anodized finish will keep your tool safe from rust and corrosion. Its precision-machined head and blade lock together for a perfect 90° angle, and it also adjusts to any angle for unique angle cuts needed.

The T-square was designed to be easy to use, and features thermal-bonded black 1/16" graduations that are large and bold for easy reading. It also folds flat for easy transportation to and from jobs.

Product Features:

  • Extruded aluminum 1/4" thick blade and head
  • Clear protective anodized finish will not rust or corrode
  • Screened, thermal-bonded black 1/8" and 1/16" graduations
  • Large, bold easy reading graduations
  • Head adjusts to any angle
  • Precision-Machined head and blade lock together for a perfect 90 degrees angle
  • Folds flat for easy transportation

Johnson T Square

Size: 48"

Take errors and guesswork out of your next job with this 48" T-square from Johnson. The JTS48 T-square features a
unique rivet assembly that permanently bonds the 1/8" extruded aluminum head and blade, so that it stays square for life, while its clear protective anodized finish will keep your tool safe from rust and corrosion. This T-square was also designed to be easy to use. It features thermal-bonded black 1/8" graduations that are large and bold for easy reading.

Product Features:

  • Unique rivet assembly, permanently "bonds" head to blade
  • Head will stay square for life of product
  • Extruded aluminum 1/8" blade and head thickness
  • Clear protective anodized finish will not rust or corrode
  • Screened, thermal-bonded black 1/8" graduations
  • Large, bold easy reading graduations

Johnson Heavy Duty Blade T Square

Sizes: 48", 54"

Johnson Heavy Duty T Square features a unique rivet assembly that permanently bonds the head to blade. This guarantees the head will stay square for the life of this product. The Extruded aluminum has a width of 3/16" and a clear protective anodized finish will not rust or corrode. Large, bold and easy to read 1/8" black graduations
are screened thermal-bonded.

Product Features:

  • Unique rivet assembly, permanently bonds head to blade
  • Head will stay square for life of product
  • Extruded aluminum 3/16" blade and head thickness
  • Clear protective anodized finish will not rust or corrode
  • Screened, thermal-bonded black 1/8" graduations
  • Large, bold easy reading graduations

Johnson L Square

Sizes: 8"x12", 16"x24"

The Johnson L square steel ruler features an epoxy anti rust coating. The ruler has a 12in body, 8in tongue and width of 1/8in. Permanently stamped numbers with 1/8 in graduations.

Product Features:

  • Rugged steel construction with epoxy anti-rust coating
  • Permanently stamped numbers and 1/8" graduations

Tape Measures

G-Force Tape Measure

Sizes: 16', 25'

G-Force makes a strong tape measure built to last. In 16 and 25 feet, these tape measures feature a triple riveted, nylon coated locking blade with exceptional strength with a rubber grip for added comfort.

Product Features:

  • Rubber Grip
  • EZ Read Fractional SAE Measure
  • Triple Rivet, Nylon Coated Locking Blade
  • Impact Resistant ABS Body

Johnson Magnetic Tip Tape Measure

Size: 30'

Equipped with strong-holding rare earth magnets at its 4-rivet blade hook, this 30' Job Site™ tape measure adheres easily to metal surfaces. Its 1-1/16" 2-sided printed blade is both durable and easy to read - with a Blade-Gard™ nylon coating that resists abrasion and large graduations for easy visibility. The tape measure also features an impact-resistant co-molded rubberized case that is both durable and ergonomic.

Product Features:

  • Easy Reading Large Numbers on 1-1/16" Wide Blade
  • Blade-Gard nylon coated blade resists abrasion
  • Dual-sided printed blade in 1/16"
  • 4 rivet blade hook with strong holding rare earth magnetic tip holds to ferrous metal surfaces
  • Impact resistant ergonomic co-molded rubberized case

Miscellaneous

Johnson Mini Laser Level

Distance: up to 30'

Johnson's Laser Mouse® is a compact and convenient leveling tool that projects a laser line up to 30 feet. Its integrated horizontal and vertical leveling vials make it easy to find level or plumb. And its SuperStic™ adhesive system adheres to any surface without leaving marks or holes and is reusable - making it the perfect hands-free tool for one-man jobs. The Laser Mouse® comes with 2 "AA" alkaline batteries and a protective carrying pouch, so you'll have everything you need to get up and running.

Product Features:

  • Adheres to any surface for hands free use
  • SuperStick adhesive system is reusable, sticks to any surface, and leaves no marks or holes
  • Projects a laser line up to 30 feet
  • Integrated horizontal and vertical leveling vials 9250
  • Includes: Laser, reusable SuperStick adhesive strip, 2 "AA" batteries, instruction sheet, protective carrying pouch

Johnson Pocket Clip Ruler

Size: 6"

Conveniently small but highly accurate, Johnson's 6" pocket clip ruler is a handy measuring tool. It features a stainless steel blade with etched increments in 1/32" and 1/64" and a metric conversion table on the back of the blade. The pocket clip allows for convenient storage, so it's always there when you need it.

Product Features:

  • Stainless steel blade
  • Pocket clip for convenient storage
  • Conversion tables on back of blade for quick calculations

Johnson Level Glo Orange

Work easier, faster and smarter with this level. Its tough Structo-Cast® frame is non-conductive and will not scratch fine wood or painted surfaces. The level also comes equipped with durable acrylic vials for easy reading at different angles, and the level is field serviceable. Its Quik-Change™ replaceable vials and vial holders minimize job downtime.

Product Features:

  • Tough Structo-Cast® frame is non-conductive and will not scratch fine wood or painted surfaces
  • Durable easy-read acrylic vials are impact resistant
  • Quik-Change™ replaceable vial covers
  • Proudly made in USA

Conclusion

Cut precisely and safely with one of our safety rulers. Designed to protect fingers, the straight edge cuts with accuracy and the finger guard protects your digits.

For other projects check out our large selection of measuring devices to help you achieve the results you need.

If you have any questions about which measuring device is right for you, give us a call. We are happy to help. 718-399-3333 or email us at [email protected].


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