Flat enough to use as a bookmark in a high school geometry or algebra text - safe enough for a child. (Safe enough for high school too.)
|The flat Rotator of the mmArc Compass Plus revolves easily within a groove as was shown before for the Safe-T Compass.|
The mmArcTM Compass Plus is a 4-in-1 Safe-T CompassR, Safe-T ProtractorR, Safe-T RulerR, while making self-measured arcs and circles. (8.5 x 3.2 x 0.2 in.) Radius holes are located in one mm increments. Straight edge is calibrated in mm and in 1/16 in.
X 46111 - mmArc® Compass plus, 3 -in-1 tool // 1 for $3.47 / 2 for $3.10 ea. / 3 to 9 for $2.95 ea. / 10 to 19 for $2.79 ea. / 20 or more for $2.69 ea. // We have 947 in stock - Discontinued