An easy, efficient & accurate method to square-up half-square triangles. The unique edge slots allow for trimming of the dog ears at the same time. No need to rotate fabric to realign.
Other uses include: square-up hour glass blocks, strip piecing of half-square triangles, strip-tube method of block construction and fussy cutting.
Trim up to 11 sizes from 1 1/2" to 6 1/2" (Two trimmers allow for full & half-inch sizes).