This slated chart provides write on with chalk and erase or wash off, eye pleasing green with yellow printing, under rolled to hug wall, heavy duty 1-1/4" steel spring roller, 48 "x54" size and chains for hanging when using back side. Specifications: 1" square emphasized in 5's for easier reading, bold X and Y axes, large size (20 x 20) coordinates, number scale runs from +21 to -21, pull down ring and blank rear side has many uses.
