Descriptions: OOTDTY EASY OPERARION -- 100% brand new and high quality. Clear scale make it easy to operate ALUMINUM ALLOY -- Well constructed of Aluminum Alloy with high hardness,durable in use HIGH PRECISION -- Marking ruler is precise, versatile, easy-to-use. T-160,T-260(Optional) DIY WOODWORK -- Auxiliary marking tools, suitable for woodworking and DIY woodwork enthusiasts. PARALLEL LINES -- Draw perfect parallel lines every time by this ruler, sturdy and durable Features: 1. Each hole on the t-ruler represents 1mm. 2. The hole positioning ruler marking ruler is precise, versatile, and easy-to-use. Find the hole corresponding to the scale, insert the pen into the hole, and draw the desired line. 3. Precision marking t-rule helps you draws perfect horizontal lines while sliding the rule along the edge of your work. 4. This multi-purpose marking and measuring ruler is suitable for 0.5-1mm refills. 5. Aluminum alloy material, wear and rust, durable. Accurate calibration and convenient operation. 6. T-bar follows the edge of your work piece to mark perfectly placed horizontal or vertical lines, Micro-fine marking holes and slots place your mark exactly on-target, makes the T type woodworking ruler a perfect tool for you. Specifications: Material: Aluminum Alloy Color: Red Scale Size: 5-160mm / 5-260mm Total Length: 200mm / 300mm Applicable refill: 0.5-1mm Package include: 1* Hole Ruler