Check out the Bloc Loc ruler in action!
Quickly and easily trim half-square triangle (HST) units up to 6½” in size with the Bloc Loc tool.
Regular rulers slide and rock over the seam allowance, but not the Bloc Loc! A diagonal channel grabs the seam allowance for no slipping.
Click the Video Demo tab to to see the Bloc Loc in action, and download this Bloc Loc HST Ruler Instructions for future reference.
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