Seam Ripper and Tape Set Stitching Straight for Tailors Grandmothers Description: [High quality material]Diagonal Seam Ripper Tape is made of high quality metal and paper material, which is durable and easy to tear. [Functional items]Our Sewing Basting Tape is simply washi tape that is placed on the front plate of your sewing machine to act as a guide while you are sewing diagonal seams. [Convenient design ] Nice solution for sewing straight diagonal seams without having to mark lines, a stitch line in red with a seam allowance on either side. [How to use]The red line in the center is aligned with the of your machine, and the lines on either side are 1 or 4 inch to each side from the center of the lines, to represent a 1 or 4 inch seam allowance, simply place the tape with the red line in front of the as the stitch line. [ Easy to remove]The tape removes cleanly, recommend removing or replacing the tape often or after each project to avoid any residue on your machine. Size Chart: long ripper 12.2cm or 4.80inch short ripper 11.7cm or 4.61inch widen 1.7cm or 0.67inch total length 10m or 393.70inch Package Includes: 1 Diagonal Seam Tape 1 long ripper 1 short ripper