Descriptions: Easy operation- . Clear scale makes it easy to handle Aluminum alloy - well made of aluminum alloy with high hardness, to use High precision - the marking ruler is precise, versatile, easy to use. T-160,T-260 (optional)DIY carpentry-auxiliary marking tools, suitable for woodworking and DIY enthusiasts. Parallel Lines-Draw Perfect Parallel Lines Every Time With This Ruler, Strong And Features:1. Each hole on the t-ruler represents 1mm2. The hole positioning ruler marking ruler is precise, versatile, and easy to use. Find the hole that corresponds to the scale, insert the pen into the hole, and draw the desired line.3. The precise t-rule marking helps to draw perfect horizontal lines when moving the rule along the edges of the work.4. This multi-functional marking and measuring ruler is suitable for 0.5-1mm.5 cartridges. Aluminum alloy material, wear and rust, . Accurate calibration and convenient operation.6. T-bar follows the edge of the workpiece to mark perfectly placed horizontal or vertical lines, micro-fine marking holes and slots place the mark exactly on the target, makes the T-bar woodworking ruler the perfect tool for you. Specifications:Material: Aluminum Alloy Color: RedScale Size: 5-160mm/5-260mmTotal Length: 200mm/300mmSuitable Cartridge: 0.5-1mmPackage Included: 1*Hole Ruler,