Features: The Bend Rule draws perfect horizontal lines using the end marking holes while sliding the rule along the edge of your work. Marking slots every 0.25mm wrap around your edge to provide dual-surface marking accuracy. Bend Rules make dual-surface layouts a snap using the corner slots shown above. Use for Positioning marking for woodworking Flexible Convenient: Vertical line High-precision Scale: down to 0.25mm Ruler with holes inside for easy marking Material: Stainless steel Length size: 180mm