Bloc-Loc Half Square Triangle Ruler 4.5"

Ruler size: 4.5" square

Square up a half-square triangle in less than half the time. No more ruler rock with Bloc-Loc. The patent pending channel locks onto the seam and slides to make a perfect square cut every time. All Bloc-Loc Half-Square Triangle Square Up Rulers have fine, solid lines every .5" which makes trimming more accurate