Features [High-quality material] The t-type ruler is made of aluminum alloy, wear-resistant, rust-proof and durable. [Easy to measure] Each hole on the T-ruler represents one millimeter. This versatile marker and measuring ruler is suitable for 0.5-1mm refills. [High precision] The marker is accurate, versatile and easy to use. You can find the hole corresponding to the scale, insert the pen into the hole, and draw the desired line. [Convenient and practical] Precise marks can help you draw perfect horizontal lines when sliding along the edge of the work. [Ideal choice] T-shaped mark is a horizontal or vertical line perfectly placed along the edge of the workpiece. The fine marking holes and grooves can accurately mark the target, making the T-shaped woodworking ruler an ideal tool. Specification: Condition: 100% Brand new Item Type: T-type Ruler Measuring Range: 5-159mm Material: Aluminum alloy Size: Approx. 20 x 10 x 1.5cm / 7.9 x 3.9 x 0.6in   Package List: 1 x T-type Ruler Package List 1 x T-type Ruler