Sew Standard Seam Guide
It's Sew Emma #ISE-724

This 4-in-1 tool from It’s Sew Emma does quadruple duty as a ruler, seam guide, 0.25" marking tool for binding and features a handy 45° line for trimming half-square triangles. Keep it close in your sewing room to use at every stage of the sewing process!

Size: 2.5" x 5.5"