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About this item

• Mr. Pen rafter square is a 12-inch designed for accurate measuring and marking in roofing, framing, woodworking, and construction projects.
• Built from premium aluminum, it is lightweight, durable, and resistant to rust, ensuring long-lasting performance on the job.
• Its 12-inch size provides a generous working surface, making it easier to mark wide boards and achieve precise angle layouts.
• Etched, easy-to-read measurements and conversion tables remain clear over time, offering convenience and reliability.
• Perfect for both professionals and DIY enthusiasts, this triangle ruler delivers accuracy and efficiency for a wide range of projects.

• Mr. Pen rafter square is a 12-inch designed for accurate measuring and marking in roofing, framing, woodworking, and construction projects.
• Built from premium aluminum, it is lightweight, durable, and resistant to rust, ensuring long-lasting performance on the job.
• Its 12-inch size provides a generous working surface, making it easier to mark wide boards and achieve precise angle layouts.
• Etched, easy-to-read measurements and conversion tables remain clear over time, offering convenience and reliability.
• Perfect for both professionals and DIY enthusiasts, this triangle ruler delivers accuracy and efficiency for a wide range of projects.