it fits for a juki ddl 8100 e, this one is suitable for nearly all type of heavy machine sewing machines, not suitable for household machine. Specifications:Material:SteelSpecification(Optional): 2.2cm/0.6inch; 2.6cm/1inch;3.0cm/1.2inch; 3.6cm/1.4inch; 4.0cm/1.6inch Weight: 100g Inlet Cloth Width--Outlet Cloth Width 22mm--5.5mm26mm--6.5mm 30mm--8mm 36mm--10mm 40mm--11.5mmPackage Included:1 × Double Fold Angle Binder Note: 1.Only Fits for Industrial Sewing Machine, Not suitable for Household Sewintg Machine.b> 2.Need to Screw Attachment to Your Machine.