The 4.5″ Triangle Square Up Plus Ruler is perfect to make half triangle squares and quarter triangle squares in sizes up to 4.5″. Fully illustrated and detailed instructions are included. The ruler is marked in two colors for easy reading and has convenient 1/8″, 1/4″, 1/2″ and 1″ lines for precise measuring. The Ruler is made of heavy gauge acrylic and is laser precise.

Ruler size: 4.5″ square