1、Compass Scriber: Consisted of a compass and a ruler, the woodworking tool will largely your drawing of parallel lines, vertical lines, etc. 2、Draw the Circle: Supports 360 degree free rotation, the limit compass enables easy angle measurement and positioning, useful and reliable. 3、Higher Accuracy: Comes with dual scale of metric scale and English scale, the 30cm scribing ruler has high accuracy in your marking work. 4、Aluminium Alloy: Adopting premium aluminum alloy material, the compass scriber is not likely to deform, and very durable for long term use. 5、Simple Carrying: Designed to have a compact size and a light weight as well, the wood compact gauge is very convenient to carry for outdoor.