The Safariland Adhesive ID Marker Book (Combo) is an essential tool for clearly identifying physical evidence at a crime scene. Each marker has a bold 20 mm scale, adding perspective and a point of reference to photographs. Each marker is 2.5 cm x 3.5 cm (1" x 1-3/8") with a non-glare matte finish. Ideal for use with Evi-Paq First Response Evidence Markers. Each Combo kit includes 50 sheets of letters and numbers as well as several pages of arrows and blank markers. Individual sheets of letter, numbers or arrows are available when you run out.