Thank you for viewing. I bought this intending to use it, but I no longer have the opportunity. I'm hesitant to sell it, so I'm selling it while it's still new. If it doesn't sell, I'll take it down and use it myself. When I bought it, it only came with the 10mm sleep (nemuri) attachment, so I'm including the 13mm and 16mm attachments that I purchased separately. Product Details: This is an attachment for making buttonholes on industrial sewing machines. It can sew sleep holes and eyelet buttonholes. I will not be offering discounts for the time being. Compatible with industrial sewing machines from Brother, JUKI, Janome, Baby Lock, etc. Included Accessories: Included set contents: Instruction manual, needle plate cover, needle plate cover tightening screw, Mounting screw, needle stop screw, shape plate, bobbin remover, Sleep (Nemuri) bobbin 1.0cm, ripper, main body storage case. You can find detailed instructions on how to use the product online. Please purchase only if you understand that this is for industrial use.