BERNINA Buttonhole Cutter and Wooden Block
Low in-store inventory, may be subject to change.
The Buttonhole cutter with wooden block is the ideal tool for opening finished buttonholes. The wooden block is placed under the buttonhole, while the chisel is pressed against the block from above. Only slight pressure is required to cut through the fabric.
13mm (1/2") width
https://weallsew.com/bernina-buttonhole/