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Bloc Loc Half Square Triangle Ruler Set 1 (6 pcs)

This set contains six half square triangle rulers in the following sizes: 1.5", 2.5", 3.5", 4.5", 5.5" and 6.5".  These rulers have Bloc Loc's patented channel machined into the underside of the acrylic.  This channel locks into the seam allowance.  That enables the quilter to square up a half-square triangle block in just seconds with ultimate accuracy and safety.  The ruler can be positioned more quickly and you have no more "ruler rock" or slipping as the ruler lays flat on top of your block with the ridge of the seam allowance settling into the recessed channel.  Bloc Loc rulers have easy to read solid markings throughout every 1/2" and perimeter markings also at every 1/8".

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