Westcott

Westcott AP-24 Aluminum Graduated T-Square Ruler

4.3 (122 reviews)

Achieve Precision with Every Line Introducing the Westcott Graduated T-Square. Crafted from instrument-grade aluminum and coupled with a sturdy plastic head, this T-square is an indispensable tool for drawing precise columns or verifying the layout of your documents. Its lightweight build ensures...

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Achieve Precision with Every Line

Introducing the Westcott Graduated T-Square. Crafted from instrument-grade aluminum and coupled with a sturdy plastic head, this T-square is an indispensable tool for drawing precise columns or verifying the layout of your documents. Its lightweight build ensures durability and reliability, making it ideal for artists, designers, architects, engineers, and students alike.

Specifications:

  • Material: Instrument-grade aluminum blade with durable plastic head
  • Length: 24 inches
  • Blade Width: 2 inches
  • Measurements: One edge graduated in 32nds for the 1st inch, then in 16ths, the other edge in centimeters
  • Design: Ergonomic design with hang hole for easy storage
  • Ideal for: Artists, designers, architects, engineers, and students

Key Features

Durable 2-Inch Blade - The instrument-grade aluminum blade delivers rigid accuracy for drafting tools and projects, functioning like a metal ruler and ensuring consistent lines across layouts

Secure Head Attachment - Durable plastic head securely attaches to the blade, delivering square alignment for precise corners and clean edges when working on a drafting table, even under busy classroom or studio conditions

Graduated Measurements for Drafting - Graduations on one edge of the T-square ruler start with 1-inch in 32nds then 16ths for the rest, while the opposite edge shows centimeters for metric readouts

Extended Length Capabilities - Extended 24-inch ruler reach supports large drawings and layout accuracy, and ensures dependable alignment on drafting projects

Hang-Hole Convenience - Hang hole provides quick storage and easy access between projects, keeping the tool neatly organized and ready for immediate use in schools, studios, offices, and home workshops during busy project sessions

Specifications

Blade Material
Instrument-grade Aluminum
Blade Width
2-Inch
Head Material
Durable Plastic
Length
24-inch
Measurements
Inches (32nds, 16ths), Centimeters
Storage Feature
Hang-Hole

Pros & Cons

👍 Pros

  • Features a durable 2-inch instrument-grade aluminum blade, ensuring rigid accuracy for drafting and consistent lines.
  • Equipped with a secure plastic head that attaches firmly to the blade, providing square alignment for precise corners and clean edges.
  • Offers graduated measurements on one edge with 1-inch in 32nds and 16ths, and centimeters on the opposite edge for versatile metric readouts.
  • Provides an extended 24-inch ruler reach, supporting large drawings and enhancing layout accuracy on drafting projects.
  • Includes a convenient hang-hole, allowing for quick storage and easy access, keeping the tool organized between projects.

👎 Cons

  • The T-square design may be less versatile than other ruler types for measurements on curved surfaces or non-square angles.
  • The plastic head, while secure, may not offer the same level of long-term durability or precision as an all-metal construction.
  • Only one edge provides metric measurements, which might require flipping the tool for consistent metric work.
  • The 24-inch length, while extended, might still be insufficient for exceptionally large-format drafting tables or projects.
  • The "secure head attachment" implies it may not be easily detachable or adjustable, limiting its use as a standalone straight edge.

Frequently Asked Questions

This T-square ruler has an extended length of 24 inches, suitable for large drawings and layouts.
The blade is made from durable 2-inch instrument-grade aluminum, while the head is constructed from durable plastic.
Yes, one edge provides inch graduations (32nds then 16ths), and the opposite edge shows centimeters for metric readouts.
The durable plastic head securely attaches to the blade, ensuring square alignment for precise corners and edges.
Yes, it features a convenient hang-hole, providing quick storage and easy access between projects.
The instrument-grade aluminum blade is designed for rigid accuracy, ensuring consistent lines in your projects.