Half-Square Triangle Ruler 12 1/2″ x 12 1/2″
Multi-sized ruler with groove technology locks onto the seam for instant placement and trims 90% faster with no ruler rock. Can trim in 1/8″ increments.
Bloc Loc’s Half-Square Triangle ruler 12 1/2″ x 12 1/2″ locks onto the seam for instant ruler placement, control so that the seam ens in each corner and trims 90% faster than a flat ruler. Ruler rock is gone, too! Also trims quarter-square triangles, birds in the air, y-blocks, LeMoyne Star, double windmill, hidden square units and much, much more! HST ruler is multi-sized and trims in 1/8″ increments.
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