This is a Brother sewing machine attachment, "BUTTONHOLER B-3" for buttonholes. An instruction manual is also included. [Brand] Brother [Category] Sewing Machine Attachment [Condition] Some scratches and dirt [Color] Black系 (Black-based) No. 90 zippers are included. A separate No. 55 attachment screw is included. I am not familiar with sewing machines. Please examine the item carefully before purchasing. If you would like additional photos, please comment in the comment section. There was a claim that the product was different before, so please examine it carefully before purchasing. Thank you for your understanding. Thank you.