Creative Grids Non-Slip Ruler 4 1/2" x 4 1/2" CGR4
4-1/2" x 4-1/2" Square - Popular and commonly used size of block. Embedded Gripper Dots, Easy-to-read black-and-white markings, 1" grid with 1/8" and 1/4" increments, Angles for making 30?, 45? and 60? cuts.