Creative Grid Non-Slip 3.5 x 3.5 Ruler CGR3
Black inch markings and white quarter inch markings on clear plastic make this 3-1/2" x 3-1/2" square ruler easy to use. It's made by Creative Grids, and is labeled "the original NON-SLIP ruler".
Black inch markings and white quarter inch markings on clear plastic make this 3-1/2" x 3-1/2" square ruler easy to use. It's made by Creative Grids, and is labeled "the original NON-SLIP ruler".