Rule Straightedges | McMaster-Carr

Filter by

System of Measurement

Length

Material

Reading Direction

Width

Flexibility

Graduations

Color

Numeric Graduations

Measurement System

Thickness

Segment Length

Graduation Type

Blade Length

Graduation Location

Graduation Color

Orientation

End Shape

Certificate Type

Backing Material

Overall Length

REACH

Export Control Classification Number (ECCN)

RoHS

DFARS Specialty Metals

Performance

How can we improve?

746 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

Staff Gauges

Typically mounted to walls and tanks for measuring the level of liquids, such as water, fuel, and oil

Parallel Rules

Draw parallel lines, as well as circles, arcs, and angles

Magnifiers

Workstation, hand-held, headband, and eyeglass magnifiers

Levels

Ensure surfaces are completely horizontal or vertical

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