【stainless steel and high quality】 : These wood marking tools are made of high quality stainless steel, rigid, not easy to break, durable and rust resistant. Don't worry about the square metal tool dimensions coming off easily. 【High precision】 : The ultra-precise carpenter marker with holes is clear, precise, versatile and easy to use for carpentry work, CNC machining, makes marking convenient and very efficient 【Diverse application possibilities】Our woodworking square ruler is flexible and easy to use, can write horizontal, vertical, long, short, parallel and right angle lines, is a perfect helper for artists, architects, engineers and carpenters, and can respond to different marking needs 【Easy to use】Our metal ruler for cutting is equipped with a precise stop, it is a combination angle for marking or measuring, which is adjusted at any position of the scale at the same time, just find your pencil or then draw the absolute precision line you will get. Product Description T Shaped