This Bobbin Case will fit
Jack: H2, H5, H6, H7
Juki: DU1181N
Tysew: TY1300, TY1300DD, TY1300DDe, TY1630, MK5
This will fit the majority of side loading walking foot Industrial Sewing Machines, it may also fit other machines that take a BC-DBM(1) fitment.