1、【Premium Materials and Stable Construction】: Constructed from aluminum alloy, this ruler features an anodized surface that is aesthetically pleasing, rustproof, and wear-resistant. Hardened for durability, it ensures high abrasion resistance and a long service lifespan, even in harsh environments. 2、【Accurate Measurement & Multi-functional Line Drawing】: This ruler has highly accurate metric and imperial scales, which can realize precise positioning and line drawing, to meet all kinds of operational needs. The scale can be changed at will by disassembling, flipping and reassembling. 3、【Easy Adjustment】: Easy to adjust with the knurled fine adjustment knob, which allows fine adjustment of the position and easy locking of the setting. Hardened cutting needle marks a precise line and easily cuts through wood fibers without tearing out the grain. 4、【Multiple Writing Instruments Compatibility】: It also supports pencils, ballpoint pens, refills, and fountain pens as long as their diameter does not exceed 11mm (ordinary markers can only use blade or drawing needle). 5、【Wide Applications】: This positioning ruler is convenient for you to position locate, line drawing, length measure, etc. Utility tool design can be used in various applications such as woodworking, home use, and DIY projects, making your woodworking projects easier.