Bloc Loc Half Square Triangle Ruler 6.5"Bloc Loc
Designer: Bloc Loc
Quickly trim half square triangle units using this specialty ruler! The magic is in Bloc Loc's patent pending design which features a special locking channel that lines up against the seam allowance of your blocks and allows for quick and accurate rotary cutting every time.
Bloc Loc rulers have easy to read solid markings throughout every 1/2" and perimeter markings to 1/8".