LEAN SCHOOL PROTOS Bloc de dibujo técnico blanco A4 10 hojas 120 g/m²

At 120 gsm, this A4 technical drawing pad offers a smooth, high-opacity surface that resists bleeding and erasing, making it ideal for precise line work with technical pens, ink, and pencil. The bright white paper provides excellent contrast for architectural sketches, engineering drafts, and detailed illustrations.

Overview

The LEAN SCHOOL PROTOS Technical Drawing Pad is a professional-grade pad designed for students, architects, engineers, and artists who demand clean, accurate results. Each pad contains 10 sheets of acid-free, archival-quality paper with a fine grain surface that accepts a wide range of media, including markers and charcoal. The top-edge glued binding keeps sheets securely attached until you need them, while the sturdy cardboard cover protects your work in transit.

What stands out

• Heavyweight 120 gsm paper prevents show-through and withstands repeated erasing.
• Acid-free and archival quality ensures your drawings won't yellow or degrade over time.
• Smooth, fine-grain surface is optimized for technical pens, fineliners, and graphite.
• High whiteness and opacity deliver crisp, high-contrast lines for scanning or reproduction.
• Glued top-edge binding allows easy sheet removal without tearing.

Technical details

• Product type: Technical drawing pad
• Paper size: A4 (210 x 297 mm)
• Number of sheets: 10
• Paper weight: 120 gsm
• Paper colour: White
• Binding: Glued (top edge)
• Paper finish: Smooth, fine grain
• Acid-free: Yes
• Bleed-resistant: Yes
• Erasure-resistant: Yes
• Suitable for: Ink, pencil, technical pens, markers, charcoal
• Material: High-quality drawing paper
• Intended use: Technical drawing, architectural sketching, illustration, fine art
• Opacity: High
• Whiteness: High
• Cover material: Cardboard
• Perforated sheets: No
• Archival quality: Yes

Our verdict

For precision work that demands clean lines and durability, the LEAN SCHOOL PROTOS pad delivers a reliable, professional surface at an accessible price. Its 120 gsm weight and smooth finish make it a solid choice for both classroom and studio use.