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by Fowler

Fowler 54-422-450-1 Mini-MAG Protractor, 360° Maximum Measurement, 0.05° Repeatability

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1 new from $114.54

Specifications for this item
Brand Name Fowler
Part Number 54-422-450-1
Maximum Measurement 360 degrees
Display LCD
Measurement Accuracy +/- 0.2 degrees
Number of Items 1
Overall Length 2.375  inches
Overall Width 1.375  inches
Range 360 degrees
Resolution 0.05 degrees
Size 360° Measuring Range, 0.05° Repeatability
UNSPSC Code 41111600

The Fowler Mini-MAG Protractor 54-422-450-1 is an electronic protractor wit... Read full product description

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Product Features

  • Electronic protractor with 360 digital display of any angle
  • Measuring range of 360 (4 x 90)
  • Embedded magnets with 5 lb. pull, on sides and bottom
  • Display inverts for reading ease
  • Hold feature freezes the displayed reading

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Product Details

  • Shipping Weight: 8.8 ounces
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00B5HRK3M
  • Item model number: 54-422-450-1
  • Amazon Best Sellers Rank: #1,079,816 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Product Warranty: For warranty information about this product, please click here

Product Description

The Fowler Mini-MAG Protractor 54-422-450-1 is an electronic protractor with 360° digital display of any angle and embedded magnets on the sides and bottom with 5 lb. pull. The display inverts for reading ease. The protractor has a measuring range of 360° (4 x 90°) and a hold feature that freezes the displayed reading while retaining the original zero reference information. The protractor can also be set to read absolute zero, for use as a leveling device. It has a resolution of .05° and an accuracy of + or - .2°.


Measuring range360° (4 x 90°)
Accuracy+ or - .2°
Power source9V battery
Dimensions2.375 x 2.375 x 1.375 inches (H x W x D)

H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Protractors are tools that measure specific angles, which allow users to create and replicate desired angles. The tools include a stationary base and movable rule, usually connected by a scale that may be digital or manual. They are useful in a wide range of applications, such as measuring crown molding and installing baseboards. A protractor can be included as part of a combination set, along with a center and a square. A center accurately locates the center of a circle or cylindrical rod. A square is used to scribe right angles and parallel lines, calibrate miter and table saws, or as a miter, height gauge, or depth gauge.

The Fred V. Fowler Company manufactures inspection and measurement instruments such as electronic indicators, calipers, bore gages, and digital scales. The company, founded in 1946, is headquartered in Newton, MA.

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