Aluminum Alloy 170/270/370mm Scale Measure Scribing Ruler Woodworking T-type Hole Ruler Marking Tool Adding a rule stop to a rule is the easiest way to ensure consistent marks when laying out a project. A big part of making undistorted cabinetry and furniture depends on consistent measurement and marking. Specification: Material: Aluminum alloy 6061 Color: Red Surface Treatment: Anodic oxidation Hole Size: 1mm (suitable for pen with core size 0.8-1mm) Nut: Brass nut DIY Supplies: Woodworking Primary functions: Lineation Ruler Scope of application: Agricultural, Industrial, Market, Office, Product, Supermarket Type Working Scale: Scale size Width Length T-170 0-170mm 0-170mm 38mm 200mm T-270 0-270mm 0-270mm 38mm 300mm T-370 0-370mm 0-370mm 38mm 400mm Features: - Surface anodic oxidation treatment. - Clear scale, convenient to read. - Aluminum alloy material is durable which can be used for a long time. - Suitable for the workshop, DIY, tool box, home crafts, modelers, joiners, cabinet makers and woodworkers etc.. - This scale helps woodworkers to draw straight line on the wood via marking points in one line by using the this tool. Usage: For use the end side of the ruler to draw straight line, the scale reading is the actual length; If use inside hole drawing straight line, the actual data should be minus 5mm. Package Included: 1 x T type hole ruler