Metric Ruler-Scale-Protractor

Made by C-Thru, this scale is imprinted with metric graduations for quick map scaling and distance measurements. The AX 955 Protractor is graduated from 0 to 180 degrees and from 180 to 360 degrees in 1 degree increments, while the AX 957, and AX 958 Protractors are graduated 0 to 90 and 90 to 0 degrees in 1 degree increments. Size: 6 x 1-1/2 inches. Choice of three different graduations. Shipping weight 8 ounces.