Helix, a historic stationery and office supply manufacturer since 1887. It began with primarily wooden rulers, and then began manufacturing compass, plastic rulers, etc., and in 1912 it started producing massets (compass, rulers, and other stationery sets). Patented with compass, folding rulers, etc., this stationery item is highly safe and highly functional and has been loved by people around the world, and is a long-lasting. Helix ruler in inches centimeters millimetersThis ruler is sized to fit in a pen case and has blue lines for easy viewing.Fits up to 15 cm and up to 6 inches.

Helix Ruler History Established in 1887 Wood Ruler Manufacturing in 1899 Plastic Rulers Patented in 1975 Shatterproof Ruler in 1912 Masset Manufacturing Starting in 1987 100th Anniversary 1990 Folding Ruler Manufacturing and Many Rulers Sold by HelixAfter more than 120 years of history, we have continued to develop new products and always produce excellent products such as design and function.