Bloc Loc's Half Rectangle Triangle Ruler set includes 2 grooved rulers in a 2:1 ratio.  Each ruler measures 2.5" x 4.5" and can be used for any size HRT unit smaller than the rulers.  These rulers can be used for smaller projects, and work for blocks up to 12 inches.

 

Made of 1/8" clear acrylic 

 

Priced per ruler

Bloc Loc Half Rectangle Triangle Ruler Set - Small

$34.99Price