Sturdy and Durable]: This stainless steel ruler set is made of high quality 304 stainless steel, which is strong and rustproof, soft and not easy to bend; the black positioning part is made of bakelite of high quality, CNC machining, comfortable texture, durable, long lasting 200mm length]: This T-shaped hole ruler has a measuring range of 0-200mm/0- 7.87 inch, specially designed with positioning and marking, easy to operate, high marking precision, making woodworking/DIY easier and reducing gaps Precise scale]: The surface is anodized, the scale is clear and precise, easy to read.Each specification has 3 sets of holes with different precision (0.25/0.5/0.75mm) to choose from, and equipped with clearly marked holes and grooves to make the 'more precise operation Flexible and convenient to use]: This multifunctional ruler can draw horizontal lines. the, vertical, long, short, parallel and at right angles; the surface is non-reflective, so even tired eyes can mark accurately in a dimly lit starting point [Multifunctional Marking Ruler]: The T-shaped ruler has a moderate size and is easy to transport. It is suitable for positioning and marking carpentry tenons and tenons. It can be used in workshops, home improvement, tool boxes, cabinet makers, carpenters, and can meet the positioning of all carpenters and carpenters. Precise operation Each scale position of 0.25mm, 0.5mm, 0.75mm has finely marked holes and grooves to make the operation more accurate. Stainless steel material The T-type ruler is made of stainless steel, which has good corrosion and oxidation resistance It also has rust and acid resistance, and is safe and reliable to use. Specification: Material: stainless steel Dimensions: 248mm x 88mm (length x width) Precision: 0.25mm Measuring range: 0-200mm Package list: 1 x precision marking ruler