PREMIUM Quilting Ruler and Template - Square Ruler 15 1/2 inch

Is the 15 1/2" x 15 1/2" grid see thrue

Is the 15 1/2" x 15 1/2" grid see thrue

Is the 15 1/2" x 15 1/2" grid see thrue

I have looked on every site I can,looking for creative grids 2.5x6" ruler please tell me where to get it.