Engineered for reliability in harsh environments, these field books feature extra stiff, bright orange covers for high visibility and protection. Each book contains 160 pages of 50% cotton ledger paper designed for water resistance and easy erasing.

• Includes 11 reference tables for quick access to conversion functions and essential formulas.
• Contains 80 sheets (160 pages) of white ledger-style paper with a 6-column vertical grid layout.
• High-quality 50% cotton content paper designed for easy erasing and water resistance.
• Heavy-duty, bright orange covers provide maximum durability and high visibility in the field.
• Ruled light blue with red vertical lines for organized, professional note-taking.
• Compact design measuring 7.5 in x 4.9 in x 0.5 in for easy portability.