Created for the needs of architects, drafters and contractors. Smooth apertures and risers on the underside of the template promote ease of movement as well as help prevent smudging from writing instruments. These smoke gray templates are .03" thick. Includes 4 1/2" scale in 1/31" increments. Colors: Smoke Materials: Plastic Length: 7" Width: 3 1/2".CHA1085I. 1085I. Chartpak Chartpak Templates.