1、Long Lasting: The hole scribing ruler is made of excellent aluminium alloy, which is not easy to rust, hard, not easy to break, durable and wear resistant, and has a long service life. 2、Easy Operation: This hole scribing ruler is easy to operate and the craftsmanship is exquisite. Simply find the hole corresponding to the scale, insert the pen into the hole and draw the required line. 3、Clear Scale: The scale is engraved on the surface of this hole scribing ruler to ensure that the scale is still visible and resistant to wear after long use. 4、Wide Application: This hole scribing ruler is versatile and can be used in workshops, home decoration, toolboxes, cabinets and is suitable for carpenters, designers and engineers, making it a practical DIY hand tool. 5、Easy To Carry: This ruler is small and easy to carry, just put it in your bag and you can take it out quickly and use it when you need it.