Bloc Loc Half Square Triangle Multiple-Size 3-1/2" Quilting Ruler with Grid Lines for Quilters

I love using these. They make squaring so much easier

Love lock block rulers. Made my trimming so much quicker and even.

Once I learned how to use Bloc Loc, I will never use any other method to square my triangles. Will try other shapes soon

Makes squaring so much easier! I have found it easier to use a larger square than what you want your final block -

Love how it stops/locks on the seam of your half square triangle. Makes it so easy to trim your block to the right size. Highly recommend!

Love the block lok rulers to square up blocks.

I like the fact that they do what they claim they will do! You can easily square up a block to the desired size.

This tool makes trimmings of half-square triangles quick, easy and always accurate. Thank you for such an excellent product! Now have 3 sizes in my stash.