Metric Engineer Scale Ruler for Blueprints and Engineering

Mr. Pen: Empowering Schools and Offices with High-Quality, Affordable Supplies

Welcome to Mr. Pen, a company founded by business-minded teachers who have firsthand experience in the daily struggles of students and teachers in at-risk schools across the United States. Our mission is simple: to serve the schools in our community by providing them with high-quality and affordable school supplies and tools to support their efforts.

Our goal is to ensure that Mr. Pen can deliver superior quality, the most affordable products, and an amazing online shopping experience from the very beginning. As we aim to supply excellent conventional office and school products, our team of engineers and designers is committed to creating innovative solutions that maximize efficiency and learning for offices and schools alike.

Explore our diverse product offerings, including:

Bible Journaling Supplies: Visit the Store Art Supplies: Visit the Store School & Office Supplies: Visit the Store

At the heart of our product lineup are the Mr. Pen Scale Rulers, designed to facilitate the drafting and measuring of architectural drawings, such as floor plans, blueprints, and orthographic projections. These triangular rulers are crafted from high-impact aluminum, built to last, and feature durable laser-cut prints for unparalleled accuracy that won't wipe or scratch off. With color-coded triangular scales, users can quickly and easily select the desired scale, ranging from 1:20 to 1:125.

Our customers have spoken, and the reviews are nothing short of impressive. With an average rating of 4.5 out of 5 stars from 525 reviews, our Scale Rulers have earned the trust and admiration of our loyal customers. Customers have consistently praised the quality, accuracy, and durability of our products, making Mr. Pen a trusted brand for educators, architects, and professionals alike.

As we continue to expand our offerings, our commitment to delivering the best possible experience remains unwavering. We invite you to explore our growing selection of high-quality, affordable school and office supplies, and experience the difference that Mr. Pen can make in your daily operations.

Join us in our mission to empower schools and offices with the tools they need to thrive. Shop Mr. Pen today and discover the difference that quality, affordability, and innovation can make in your workplace or classroom.

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