Designed for use with chalk or markers. High visibility yellow tools with clear black markings include convenient handles on the triangles and protractor and a finger grip on the straight edge. Includes: 14" protractor, 2 triangles (20" and 23", 20/70 and 45/45 degree), meterstick with inch and metric calibrations and 17" compass. Set of 5 Big Drafting Tools Let You Draw On Chalk Or Whiteboards. High visibility yellow tools with contrasting black markings. Can be used with chalk or markers. Handles and fingergrips for easy positioning. Rubber pads to prevent scratches and provide greater grip.