1、Excellent Aluminum Alloy Material: This step depth gauge is made of excellent aluminum alloy material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 2、Red Anodized Surface: This aluminum alloy router depth and saw gauge is anodized with a red surface, which is not easy to oxidize and rust. 3、Laser Engraved Scale: This router depth gauge features a laser engraved scale that is clear and highly perfect, always accurate to less than 1/64th of an inch. 4、Economical and Practical: This saw depth gauge can be used as 2 tools, which is very practical, ideal replacement for the old and damaged parts,you can easily take this gauge with you to help with your work. 5、Compact And Portable: This engraving circular saw gauge is small and lightweight, which makes it very easy to carry around with you and use.