Set of 2 Large Triangle Set Square: 12 Inch (30 cm) 30/60 Degree & 9 inch (22 cm) 45/90 Degree A pair of transparent acrylic triangle metric set squares: 1. 22 x 22 x 31 cm, 45/90 Degree. 2: 31 x 18 x 37 cm, 30/60/45 Degree. Bevelled edge for more precision drafting Protector and french curve inner cut out Packed in pvc pocket for easy storage. Color may vary. Graduated in millimeter.