About this item

• 100% Cotton
• ✦Carry in pocket, portable and convenient.
• ●Its accuracy can be improved and its errors reduced, and you will always get accurate readings.
• ●Rugged, waterproof and shockproof
• ●Easy to clean
• ●Shockproof, waterproof, accurate pointing
• ●Easy and accurate readings with easy offset adjustment
• ✦Magnifying Glass is used for reading and navigating geological maps.