"1 Set brand new Top high quality Binder + mounting bracket plate w/ screws, consist of : -A clean finish on both the top and bottom BINDER ATTACHMENT with tape size 30mm and finish size 8mm (more or less depended on the different materisl ) -1 Binder plate . -4 Screws and 2 Screw Washer Fits Pfaff Coverlock 3.0. 4.0 Fits Husqvarna Viking Huskylock S25, S21"