Basic Blocks Ruler - 8 1/2 inches x 8 1/2 inches

QR-BB-8.5 - Clear Acrylic - 1/8 inch thick with black lines

8 1/2 inch by 8 1/2 inch square ruler is ideal for fussy cutting. Laser cut from 1/8 inch clear acrylic and silk screened with black lines and numbers.