Aluminum Rulers | McMaster-Carr

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Numeric Graduations

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Backing Material

RoHS Compliance

Hole Diameter

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138 Products

Measuring and Inspecting

Rulers

Horizontal, vertical, circumference, center-finding, and pica rulers

Squares

Check 90° angles during layout work with combination, angle, or pipefitters' squares

Diameter Identifiers

Diameter Identifiers

Tighten the strap around rods, drill bits, and other small items to measure outer diameter

Calipers

Take inside, outside, and depth measurements with more precision than a ruler

Protractors

Set bevels and measure angles with everything from pocket-size to long-arm protractors

Linear Scales

Measure and display the position of tools on machines, such as lathes, saws, and drill presses

Leveling Rods

Use with sight levels to estimate the distance between you and a given object

Levels

Ensure surfaces are completely horizontal or vertical

Angle Transfers

Angle Transfers

Duplicate any angle in construction and other applications

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)