【Premium Material】Wooden Square Ruler is made of durable stainless steel, resistant to rust, drops and damage, and comes with a traditional polished hardwood handle that is comfortable to hold and won't scratch. will not easily damage your hands. 【Removable Handle】The handle has an adjustable nut, which is easy to remove and can be adjusted from 0-360 degrees at any angle, tighten the nut to measure or draw. moreover, both ends of the wooden handle are inlaid with brass, which looks beautiful and elegant. 【Double Sided Scale】Our sliding t-bevel sliders available in two measurement units: metric and imperial (0-20cm, 0-8inch). the ruler has a double-sided scale, which is precisely engraved, easy to read, not easy to fade, and more convenient to use. 【Easy to carry】Size: 318 x 26 mm double sided ruler in metric inches with 230 mm sliding bevel. create perfect lines and precise angles, detachable design, flexible use, good helper for measuring or painting. 【Easy to Use】Sliding t-bevel carpentry can mark both even and irregular corners then transfer them into the design. create perfect lines, precise angles and precise measurements for engineers, designers, carpenters and DIY enthusiasts.