Made of plain white high grade molded plastic. Measurements are printed clearly on the plastic face. Architectural Scales—3/32; 1/8; 3/16; 1/4; 3/8; 1/2; 3/4; 1; 1 1/2; 3:1; 16. Ruler Type: Triangular Scale; Length: 12"; Material(s): Plastic; Color(s): White.