Description easy To Use With The Steel Ruler, All Measuring Work Can Be Carried Out In A Measuring Range Of 0 - 30 Cm With A High Degree Of Accuracy. Thanks To The Laser-engraved Metric Scale And The Matt, Glare-free Surface, You Can Easily Read The Ruler. minimum Accuracy 0.25mm - The Minimum Accuracy 0.25mm Makes The Operation More Precise And Reduces Errors. The Ultra-precise Marking Rule Has Tiny Holes And Slits At Each Division So You Can Use A Pencil To Make A Point Or Mark A Line Exactly The Width Of A Hair The Recessed And Black Engraved Scale Is Easy To Read. widely Used This Multifunctional Ruler Can Be Used To Write Horizontal Lines, Vertical Lines, Long Lines, Short Lines, Parallel Lines And Right Angle Lines To Meet The Various Marking Needs. high Quality Office Ruler Is Made Of Durable Inflexible Stainless Steel, But A Little Flexible, Good For Long-lasting Use; The Marks Are Set Into The Metal A Bit So They Wont Rub Off Over Time. 30 Cm Stainless Steel T-hole Marking Rulerspecification:material: Stainless Steelpencil Diameter: 0.5 Mmmeasuring Range: 0-300 Mm package List:1 X Writing Ruler1 X Pencil1 Box Of Pencil Lead