The latest in rotary cutting with custom features to make the activity easy, safe, and accurate. Ruler features ruler guide that interlocks with the edge of the ruler, letting you make straight, precise cuts every time. As you move the cutter effortlessly along the ruler"s track, the guide keeps your cutter from veering away and your fingers safer by preventing accidental slips. Ruler has labeled 1/4 inch and 3/4 inch marks for easy measurements. Bold 1/8 inch marks and bolder 1/4 inch marks for accuracy. Built-in marking holes placed along entire ruler for marking.