180-400mm Woodworking Scribing Rulers Multifunction Practical Hole Positioning Ruler Line Drawing Marking T-shaped Ruler Carpenter Measuring Tool Description: 180/200/300/400mm stainless steel precision marking T-shaped ruler / hole positioning measuring ruler / carpenter marking tool. Independent and innovative design for easy and accurate positioning and marking of woodworking tenons and mortifies. Horizontal line, vertical line, long line, short line, parallel line, right angle, so that the line can be arbitrary, meeting all the requirements of the line. There are fine marking holes and slots at each 1mm, 0.5mm, and 0.25mm scale position for accurate operation. Combine square, mark instantly. Equipped with pencil and refill, easy to use. Feature: 1. Made of stainless steel, clear and accurate calibration, CNC processing, comfortable texture. 2. Vertical knurled nut is made of pure copper. 3. Accurate, versatile and easy to use. 4. Let the marking work follow one's inclinations to meet the requirements of all woodworking. 5. Provide 200/300/400mm size for your choice. 6. Find a sharp 0.5mm pencil or scriber with absolute accuracy. Specification: Material: stainless steel Size: 180mm / 7.1in, 200mm / 7.9in, 300mm / 11.8in, 400mm / 15.7in Hole diameter: 0.5mm Suitable for refill: 0.5mm Distance of each hole and groove: 1mm / 0.04in, 0.5mm / 0.02in, 0.25mm / 0.01in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X Woodworking Scribing Ruler 1 X Pencil 1 X Refill Box